2003 Volkswagen Jetta - Sedan, 1.8T - Pro-Kit Lowering Springs Logo
Patrick Monahan Posted on Sep 10, 2014
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I need help with an engine problem that I am currently unfarmiliar with.

Engine Problems, lack of air flow getting into the engine after the initial start. Switching into gears engine almost cuts out. Once engine gets warm, the problem subsides.

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Jeffrey Geyer

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Jeffrey Geyer
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MANY THINGS CAN CAUSE POOR AIR/FUEL FLOW. HAVE ANY CODES READ THEN REPLACE PART IE: MAP SENSOR MAF SENSOR ETC

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  • Posted on Sep 10, 2014
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How did you check that it is an air problem it could be the catalytic converter ? or the air mass meter fitted after the air filter

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1993 ford e350 econoline 5.8 liter, has no power but battery is good 12.9 volts

If your 1993 Ford E-350 Econoline with a 5.8-liter engine is experiencing a lack of power even though the battery voltage is good, there could be several potential issues to consider:
  1. Fuel Delivery Issues: A clogged fuel filter, failing fuel pump, or fuel injector problems can all result in insufficient fuel reaching the engine, leading to a lack of power.
  2. Ignition System Problems: If the ignition system components such as spark plugs, ignition coils, or ignition control module are malfunctioning, it can cause poor engine performance and reduced power.
  3. Exhaust Restrictions: A clogged catalytic converter or exhaust system can limit the engine's ability to expel exhaust gases, leading to decreased power output.
  4. Air Intake Blockages: An obstructed air filter or intake manifold can limit the amount of air entering the engine, causing poor combustion and reduced power.
  5. Vacuum Leaks: Leaks in the vacuum lines or intake manifold can disrupt the air-fuel mixture and negatively impact engine performance.
  6. Sensor Issues: Malfunctioning sensors such as the Mass Air Flow (MAF) sensor or Oxygen (O2) sensor can lead to incorrect fuel-air mixture and power loss.
  7. Timing and Distributor Problems: Incorrect ignition timing or issues with the distributor can affect engine performance and power output.
  8. Engine Compression: If the engine's compression is low due to worn piston rings or cylinder head issues, it can lead to reduced power.
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Ford OBD-II Trouble Codes

P1000 OBD-II Monitor Testing Incomplete<br />P1001 KOER Test Cannot Be Completed<br />P1039 Vehicle Speed Signal Missing or Improper<br />P1051 Brake Switch Signal Missing or Improper<br />P1100 Mass Air Flow Sensor Intermittent<br />P1101 Mass Air Flow Sensor out of Self-Test Range<br />P1112 Intake Air Temperature Sensor Intermittent<br />P1116 Engine Coolant Temperature Sensor is out of Self-Test Range<br />P1117 Engine Coolant Temperature Sensor Intermittent<br />P1120 Throttle Position Sensor out of range<br />P1121 Throttle Position Sensor Inconsistent with Mass Air Flow Sensor<br />P1124 Throttle Position Sensor out of Self-Test Range<br />P1125 Throttle Position Sensor Intermittent<br />P1127 Heated Oxygen Sensor Heater not on During KOER Test<br />P1128 Heated Oxygen Sensor Signals reversed<br />P1129 Heated Oxygen Sensor Signals reversed<br />P1130 Lack of Upstream Heated Oxygen Sensor Switch - Adaptive Fuel Limit - Bank No. 1<br />P1131 Lack of Upstream Heated Oxygen Sensor Switch - Sensor Indicates Lean - Bank No. 1<br />P1132 Lack of Upstream Heated Oxygen Sensor Switch - Sensor Indicates Rich - Bank No. 1<br />P1135 Ignition Switch Signal Missing or Improper<br />P1137 Lack of Downstream Heated Oxygen Sensor Switch - Sensor Indicates Lean - Bank No. 1<br />P1138 Lack of Downstream Heated Oxygen Sensor Switch - Sensor Indicates Rich - Bank No. 1<br />P1150 Lack of Upstream Heated Oxygen Sensor Switch - Adaptive Fuel Limit - Bank No. 2<br />P1151 Lack of Upstream Heated Oxygen Sensor Switch - Sensor Indicates Lean - Bank No. 2<br />P1152 Lack of Upstream Heated Oxygen Sensor Switch - Sensor Indicates Rich - Bank No. 2<br />P1157 Lack of Downstream Heated Oxygen Sensor Switch - Sensor Indicates Lean - Bank No. 2<br />P1158 Lack of Downstream Heated Oxygen Sensor Switch - Sensor Indicates Rich - Bank No. 2<br />P1220 Series Throttle Control fault<br />P1224 Throttle Position Sensor B out of Self-Test Range<br />P1230 Open Power to Fuel Pump circuit<br />P1231 High Speed Fuel Pump Relay activated<br />P1232 Low Speed Fuel Pump Primary circuit failure<br />P1233 Fuel Pump Driver Module off-line<br />P1234 Fuel Pump Driver Module off-line<br />P1235 Fuel Pump Control out of range<br />P1236 Fuel Pump Control out of range<br />P1237 Fuel Pump Secondary circuit fault<br />P1238 Fuel Pump Secondary circuit fault<br />P1250 Lack of Power to FPRC Solenoid<br />P1260 Theft Detected - Engine Disabled<br />P1270 Engine RPM or Vehicle Speed Limiter Reached<br />P1288 Cylinder Head Temperature Sensor out of Self-Test Range<br />P1289 Cylinder Head Temperature Sensor Signal Greater Than Self-Test Range<br />P1290 Cylinder Head Temperature Sensor Signal Less Than Self-Test Range<br />P1299 Cylinder Head Temperature Sensor Detected Engine Overheating Condition<br />P1309 Misfire Detection Monitor not enabled<br />P1351 Ignition Diagnostic Monitor circuit Input fault<br />P1352 Ignition Coil A - Primary circuit fault<br />P1353 Ignition Coil B - Primary circuit fault<br />P1354 Ignition Coil C - Primary circuit fault<br />P1355 Ignition Coil D - Primary circuit fault<br />P1356 Loss of Ignition Diagnostic Module Input to PCM<br />P1358 Ignition Diagnostic Monitor Signal out of Self-Test Range<br />P1359 Spark Output circuit fault<br />P1364 Ignition Coil Primary circuit fault<br />P1380 VCT Solenoid Valve circuit Short or Open<br />P1381 Cam Timing Advance is excessive<br />P1383 Cam Timing Advance is excessive<br />P1390 Octane Adjust out of Self-Test Range<br />P1400 Differential Pressure Feedback Electronic Sensor circuit Low Voltage<br />P1401 Differential Pressure Feedback Electronic Sensor circuit High Voltage<br />P1403 Differential Pressure Feedback Electronic Sensor Hoses Reversed<br />P1405 Differential Pressure Feedback Electronic Sensor circuit Upstream Hose<br />P1406 Differential Pressure Feedback Electronic Sensor circuit Downstream Hose<br />P1407 EGR No Flow Detected<br />P1408 EGR Flow out of Self-Test Range<br />P1409? EGR Vacuum Regulator circuit malfunction<br />P1409? Electronic Vacuum Regulator Control circuit fault<br />P1410 EGR Barometric Pressure Sensor VREF Voltage<br />P1411 Secondary Air is not being diverted<br />P1413 Secondary Air Injection System Monitor circuit Low Voltage<br />P1414 Secondary Air Injection System Monitor circuit High Voltage<br />P1442 Secondary Air Injection System Monitor circuit High Voltage<br />P1443 Evaporative Emission Control System - Vacuum System - Purge Control Solenoid or Purge Control Valve fault<br />P1444 Purge Flow Sensor circuit Input Low<br />P1445 Purge Flow Sensor circuit Input High<br />P1450 Inability of Evaporative Emission Control System to Bleed Fuel Tank<br />P1451 EVAP Control System Canister Vent Solenoid Circuit Malfunction<br />P1452 Inability of Evaporative Emission Control System to Bleed Fuel Tank<br />P1455 Substantial Leak or Blockage in Evaporative Emission Control System<br />P1460 Wide Open Throttle Air Conditioning Cutoff circuit malfunction<br />P1461 Air Conditioning Pressure Sensor circuit Low Input<br />P1462 Air Conditioning Pressure Sensor circuit high Input<br />P1463 Air Conditioning Pressure Sensor Insufficient Pressure change<br />P1464 ACCS to PCM High During Self-Test<br />P1469 Low Air Conditioning Cycling Period<br />P1473 Fan Secondary High with Fans Off<br />P1474 Low Fan Control Primary circuit<br />P1479 High Fan Control Primary circuit<br />P1480 Fan Secondary Low with Low Fans On<br />P1481 Fan Secondary Low with High Fans On<br />P1483 Power to Cooling Fan Exceeded Normal Draw<br />P1484 Variable Load Control Module Pin 1 Open<br />P1500 Vehicle Speed Sensor Intermittent<br />P1501 Programmable Speedometer & Odometer Module/Vehicle Speed Sensor Intermittent circuit-failure<br />P1502 Invalid or Missing Vehicle Speed Message or Brake Data<br />P1504 Intake Air Control circuit malfunction<br />P1505 Idle Air Control System at Adaptive Clip<br />P1506 Idle Air Control Over Speed Error<br />P1507 Idle Air Control Under Speed Error<br />P1512 Intake Manifold Runner Control Stuck Closed<br />P1513 Intake Manifold Runner Control Stuck Closed<br />P1516 Intake Manifold Runner Control Input Error<br />P1517 Intake Manifold Runner Control Input Error<br />P1518 Intake Manifold Runner Control fault - Stuck Open<br />P1519? Intake Manifold Runner Control Stuck Open<br />P1520? Intake Manifold Runner Control circuit fault<br />P1519? Intake Manifold Runner Control fault - Stuck Closed<br />P1520? Intake Manifold Runner Control fault<br />P1530 Open or Short to A/C Compressor Clutch circuit<br />P1537 Intake Manifold Runner Control Stuck Open<br />P1538 Intake Manifold Runner Control Stuck Open<br />P1539 Power to A/C Compressor Clutch circuit Exceeded Normal Current Draw<br />P1549 Intake Manifold Temperature Valve Vacuum Actuator Connection<br />P1550 Power Steering Pressure Sensor out of Self-Test Range<br />P1605 PCM Keep Alive Memory Test Error<br />P1625 Voltage to Vehicle Load Control Module Fan circuit not detected<br />P1626 Voltage to Vehicle Load Control Module circuit not detected<br />P1650 Power Steering Pressure Switch out of Self-Test Range<br />P1651 Power Steering Pressure Switch Input fault<br />P1700 Transmission system problems<br />P1701 Reverse Engagement Error<br />P1702 Transmission system problems<br />P1703 Brake On/Off Switch out of Self-Test Range<br />P1704 Transmission system problems<br />P1705 Manual Lever Position Sensor out of Self-Test Range<br />P1709 Park or Neutral Position Switch out of Self-Test Range<br />P1710 Transmission system problems<br />P1711 Transmission Fluid Temperature Sensor out of Self-Test Range<br />P1713<br />thru<br />P172 Transmission system problems<br />P1729 4x4 Low Switch Error<br />P1740 Transmission system problems<br />P1741 Torque Converter Clutch Control Error<br />P1742 Torque Converter Clutch Solenoid Faulty<br />P1743 Torque Converter Clutch Solenoid Faulty<br />P1744 Torque Converter Clutch System Stuck in Off Position<br />P1745 Transmission system problems<br />P1746 Electronic Pressure Control Solenoid - Open circuit<br />P1747 Electronic Pressure Control Solenoid - Short circuit<br />P1749 Electronic Pressure Control Solenoid Failed Low<br />P1751 Shift Solenoid No. 1 Performance<br />P1754 Coast Clutch Solenoid circuit malfunction<br />P1756 Shift Solenoid No. 2 Performance<br />P1760 Transmission system problems<br />P1761 Shift Solenoid No. 3 Performance<br />P1762 Transmission system problems<br />P1767 Transmission system problems<br />P1780 Transmission Control Switch circuit is out of Self-Test Range<br />P1781 4x4 Low Switch is out of Self-Test Range<br />P1783 Transmission Over-Temperature Condition<br />P1784 Transmission system problems<br />P1785 Transmission system problems<br />P1786 Transmission system problems<br />P1787 Transmission system problems<br />P1788 Transmission system problems<br />P1789 Transmission system problems<br />P1900 Transmission system problems
on May 23, 2011 • Ford F Cars & Trucks
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3answers

Can low volage from a bad faulty battery makes the mass air flow sensor not work properly

Symptoms of a bad mass air flow sensor
As a result, a bad mass air flow sensor causes various driveability problems, including a no-start, stalling, lack of power and poor acceleration. In addition, a faulty mass air flow sensor might cause the Check Engine or Service Engine Soon light to come on.
https://www.samarins.com/glossary/airflow_sensor.html
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Hi , l have a Mitsubishi express van 2003 auto , 2.0l carby, the van has lack of power I lose throttle, rpm drops and no power, sometimes its stalls , l restart the van after a minute and its ok

There are a few possible reasons why your 2003 Mitsubishi Express van might be having a lack of power, losing throttle, and stalling. Bad spark plugs: Spark plugs are responsible for igniting the fuel in your van's engine. If the spark plugs are bad, they will not be able to ignite the fuel properly, which can lead to a loss of power, stalling, and other problems. Bad fuel filter: The fuel filter removes impurities from the fuel before it enters the engine. If the fuel filter is clogged, it will restrict the flow of fuel to the engine, which can also lead to a loss of power, stalling, and other problems. Low compression: Low compression can also cause a loss of power and stalling. Compression is the force that pushes the piston down in the cylinder, which is necessary for the engine to run properly. If the compression is low, it will be harder for the pistons to move, which can lead to a loss of power and stalling. Clogged injectors: Fuel injectors deliver fuel to the engine in a fine mist. If the injectors are clogged, they will not be able to deliver the fuel properly, which can lead to a loss of power, stalling, and other problems. Mass air flow sensor: The mass air flow sensor measures the amount of air entering the engine. If the mass air flow sensor is faulty, it can provide the wrong information to the engine's computer, which can lead to a loss of power, stalling, and other problems. Throttle body: The throttle body controls the amount of air that enters the engine. If the throttle body is dirty or malfunctioning, it can restrict the flow of air to the engine, which can lead to a loss of power, stalling, and other problems. If you are experiencing these symptoms, it is important to have your van diagnosed by a qualified mechanic to determine the root cause of the problem. Once the cause of the problem has been identified, the mechanic can recommend the necessary repairs. Here are some tips to help prevent these problems from happening in the future: Change your spark plugs and fuel filter according to the manufacturer's recommendations. Keep your van's engine clean and well-maintained. Avoid running your van on low fuel. If you notice any problems with your van's performance, have it checked out by a qualified mechanic as soon as possible.
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Engine cuts needing power to pull camper on f 150

check for a blockage in the exhaust system (cat converter failure). Check fuel pressure What you have is when the engine needs more power then that power is being restricted either by the air/exhaust flow or lack of fuel . Run fault codes to check for canister problems and venting
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2000 nissan sentra 2.0 error codes p0101& p0102

P0102 - Mass Air Flow Sensor Circuit Malfunction

The mass air flownissan-maxima-maf-sensor.jpg or MAF sensor is placed in the intake air duct between the air filter and the engine intake manifold. The MAF sensor measures the amount of intake air flow. The MAF sensor converts the air flow measurement into a voltage or frequency signal, with the voltage or frequency changing proportionally to the amount of air flow. The air flow sensor signal is monitored by the engine computer (ECM). The engine computer (ECM) uses the mass air flow signal to know the engine load and to calculate the proper amount of fuel injected. If the signal from the mass air flow sensor is out of expected range, the ECM detects a fault and sets the code P0100. For example, the mass air flow sensor signal could be higher than expected when the engine is not running or lower than expected with the engine running. A car with the code P0100 may have some driveability issues, such as stalling, lack of power, surging, hesitation, etc. In some cars, the code P0100 can cause the fail-safe mode where the engine speed would be limited to 2,500 - 3,000 rpm.
If there are other trouble codes present, they might need to be looked at first. Checking the freeze frame may help, as it may contain some important information. The freeze frame is a snapshot of the engine parameters at the moment when the fault was detected. The freeze-frame may show whether the vehicle was running or stopped, whether the air-fuel ratio was lean or rich, was the engine was cold or warmed up at the time of the malfunction. Read more about the freeze frame.


Read more about mass air flow sensor.

What could cause the code P0100:
- faulty or contaminated mass air flow sensor
- open or short in the mass air flow sensor electrical circuit
- open or short in the sensor power or ground circuit

- other electrical problem with the MAF sensor wiring, (corroded wires, bent terminals, bad ground connection, burned fuse, etc.
- vacuum leaks
- restricted air flow at or before the air filter
- wrong air flow sensor installed
- problem with ECM





P0102 - Mass Air Flow Sensor Circuit Low

The mass air flow or MAF sensor measures the amount of air entering the engine. The engine computer (ECM) uses the mass air flow signal to calculate the amount of fuel injected (read more how the MAF sensor works below). The code P0102 is set when the signal from the mass air flow sensor is lower than expected. Often a car may exhibit some driveability symptoms, such as lack of power, surging, hesitation on acceleration, hard starting, pinging (detonation), or rough idle when started cold. Often the codes P0171 or P0174 could also be stored along with the code P0102, as the incorrect air flow signal can cause the engine to run lean. The codes P0171 and P0174 indicate a lean condition. Checking the freeze frame might help in the diagnostic process. The freeze frame is stored in the ECM along with the trouble code. The freeze frame contains some recorded parameters (e.g. vehicle speed, engine temperature, fuel trim) at the moment when the fault was detected. The freeze frame can also be accessed with a scan tool.



What could cause the code P0102
- faulty or contaminated mass airflow sensor
- debris blocking the air flow at the mass air flow sensor
- unmetered air leaking past the MAF sensor (vacuum leaks)
- PCV system vacuum leaks
- restricted or collapsed intake air duct
- dirty or restricted air filter
- restricted air screen before the air filter
- improper application of aftermarket components (e.g. cold intake, modified air filter, etc.)
- wrong air flow sensor installed
- electrical problem with the MAF sensor wiring, connector, power supply or ground.
- problem with ECM
- in some cases other issues with the fuel injection system like a clogged catalytic converter or a faulty manifold absolute pressure sensor (MAP) can also cause the code P0102.




Solution for MAF repair

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P0101

Here is the definition of the code.

P0101 GMC Description The Mass Air Flow (MAF) sensor is placed in the stream of intake air. It measures the intake flow rate by measuring a part of the entire intake flow. It consists of a hot film that is supplied with electric current from the Engine Control Module (ECM).

The temperature of the hot film is controlled by the ECM acertain amount. The heat generated by the hot film is reduced as the intake air flows around it. The more air, the greater the heat loss. Therefore, the ECM must supply more electric current to maintain the temperature of the hot film as air flow increases. The ECM detects the air flow by means of this current change.
Faulty mass air flow sensor
- Intake air leaks
- Dirty mass air flow sensor
- Dirty air filter
- Mass air flow sensor harness is open or shorted
- Mass air flow sensor electrical circuit poor connection
Read more: http://engine-codes.com/p0101_gmc.html#ixzz223ibNx6t

Read more: http://engine-codes.com/p0101_gmc.html#ixzz223i9HR3J
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I got the code from the OBD IT read a code of 23 and one of 36 now i need to find what it means

code 23 is MAT too low.(mass air temp.) code 36 is Mass Air Flow Sensor Error

The ECM receives a signal from the Mass Air Flow sensor depending on the amount of air entering the engine. The ECM uses information from this sensor to help calculate fuel delivery and spark timing.

Fault Code Description

  • 36 - Mass Air Flow sensor error

    Symptoms

    • Engine stalling
    • Lack of power

    Common Problems Faulty Mass Air Flow sensor,Broken wire to Mass Air Flow sensor,Dirty sensing element in Mass Air Flow sensor

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      What does error code p0172 and p0174?

      P0172 - Fuel Injection System Too Rich Bank 1 Symptoms - Engine Light ON (or Service Engine Soon Warning Light)
      - Excessive Fuel Consumption
      Possible causes - Intake air leaks
      - Front Heated oxygen sensor may be faulty
      - Injectors may be faulty
      - Exhaust gas leaks
      - Incorrect fuel pressure
      - Lack of fuel
      - Mass air flow sensor may be faulty
      - Incorrect PCV hose connec
      Possible solution Dirty air filter of faulty air flow sensor are common causes of the problem.



      P0174 - Fuel Injection System Too Lean Bank 2 Symptoms - Engine Light ON (or Service Engine Soon Warning Light)
      - Excessive Fuel Consumption
      Possible causes - Intake air leaks
      - Front Heated oxygen sensor may be faulty
      - Injectors may be faulty
      - Exhaust gas leaks
      - Incorrect fuel pressure
      - Lack of fuel
      - Mass air flow sensor may be faulty
      - Incorrect PCV hose connection
      Possible solution Dirty air filter of faulty air flow sensor are common causes of the problem. Bottom line possible defective Mass airflow sensor and or O2 sensor in cylinder bank number two.

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      My 1996 Saab 900 SE V6 2.5 L lacks power and sputters on acceleration. Any suggestions as to what this may be? Also, it's hard to get up to and maintain speed, flashing check engine light.

      Could be a number of things. The one that comes to mind the most is of course a fuel problem. How does it idle? Put the car in neutral and rev the engine. Any problems there? If not than your getting the fuel you need. If it only happens while your driving, could be a slew of things from a slipping transmission to a bad clutch (if its standard). MAF could be faulting. I would try to get a code out from that check engine light.
      Not finding what you are looking for?

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