Question about 2000 Ford Ranger SuperCab

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Could the map sensor or anything electronic cause a lack of power under acceleration

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Yes

Posted on Apr 14, 2014

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Posted on Jan 02, 2017

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SOURCE: lack of power when trying to accelerate

how old is the car? when was the last tune up done? does it make any sound when you hit the gas hard? any questions you can email me at meanness628@aim.com

Posted on Jun 30, 2009

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P1296 code 1996 Concorde


P1296 CHRYSLER - 5 Volt Reference Voltage Missing At Throttle Position Sensor
https://www.autocodes.com/p1296_chrysler.html

Mar 02, 2017 | 1996 Chrysler Concorde

1 Answer

I have a 2003 S-type jaguar that goes into a limp mode and stops running then the engine system fault shows ,the parkbrake fault and DSC not available also shows. Diagnostic showed codes PO121,P1582??


code p 0121 is associated with the throttle position sensor and accelerator position sensor
causes are from cable adjustment --throttle position and accelerator position sensors
code p0533 refers to ac refrigerant pressure sensor--high input== causes --ac pressure too high (cooling fault -condenser fan not running at radiator-- too much gas --pressure sensor
p 0105 refers to map sensor / barometric pressure sensor --circuit malfunction===causes wiring--- map sensor --baro sensor ECM
code p0566 refers to cruise control master switch== causes --control switch , ---ECM
code p1582 refers to electronic throttle monitor data available which will be associated with the p 0121 code and faults

Jan 08, 2017 | Jaguar Cars & Trucks

1 Answer

Eng start butcut when accelersting


Lack of fuel to air ratio. Check for vacuum leaks, or clogged fuel filters. Also may include TPS, MAF, MAP senors which measure air so that the computer and add proper amount of fuel to that air. (CHECK EGINE LIGHT ON?) The throttle also has a kick down function either via cable or wire which shifts the transmission down when accelerating, if this is not happening it may cause power loss under load and even shuting off in the right conditions.

Jan 11, 2016 | Cars & Trucks

1 Answer

I have a 91 buick skylark. When I drive sometimes it won't accelerate like I'll lose power even if I floor it. And I died going up a hill flooring my gas. It's not a head gasket I already checked. My


I think I would check the fuel pressure and the maximum fuel pressure from the pump.
I would look to data if temp sensor , map, tps,
lack of power can be cause by many things
hope it helps

Mar 27, 2014 | 1991 Buick Skylark

1 Answer

2000 tundra V8, no codes, but misfire and lack of power upon acceleration


A misfire will produce codes. Look at the cam position sensor, the throttle position sensor and the MAP sensor. If they all check ok then you'll need to check the computer.

Feb 21, 2014 | 2000 Toyota Tundra

1 Answer

Engine lacks of power and wont acelerate right do map sensor and coolant sensor have to do with it


map sensor = manifold absolute pressure sensor creates a vaccume to the manifold and could restrict acceleration.

Aug 11, 2011 | 2003 Kia Sedona

1 Answer

My 97 mercury cougar xr7 is burning way too rich and is idleing rough.what can i do


Get a PCM test for fault codes. It could be an oxygen sensor or MAF sensor. Free test at AUtozone if check engine light is on.
Clean MAF sensor heated wires with carb cleaner by spraying seveal times. Do not brush it. Disconnect battery for 2 hours and then drive for 10 miles after hook up.

SERVICE TIP MASS AIR FLOW (MAF) DISCUSSION MAF sensors can get contaminated from a variety of sources: dirt, oil, silicon, spider webs, potting compound from the sensor itself, etc. When a MAF sensor gets contaminated, it skews the transfer function such that the sensor over-estimates air flow at idle (causes the fuel system to go rich) and under-estimates air flow at high air flows (causes fuel system to go lean). This means Long Term Fuel Trims will learn lean (negative) corrections at idle and learn rich (positive) corrections at higher air flows. If vehicle is driven at Wide Open Throttle (WOT) or high loads, the fuel system normally goes open loop rich to provide maximum power. If the MAF sensor is contaminated, the fuel system will actually be lean because of under-estimated air flow. During open loop fuel operation, the vehicle applies Long Term Fuel Trim corrections that have been learned during closed loop operation. These corrections are often lean corrections learned at lower air flows. This combination of under-estimated air flow and lean fuel trim corrections can result in spark knock/detonation and lack of power concerns at WOT and high loads. One of the indicators for diagnosing this condition is barometric pressure. Barometric pressure (BARO) is inferred by the Powertrain Control Module (PCM) software at part throttle and WOT (there is no actual BARO sensor on MAF-equipped vehicles, except for the 3.8L Supercharged engine). At high air flows, a contaminated MAF sensor will under-estimate air flow coming into the engine, hence the PCM infers that the vehicle is operating at a higher altitude. The BARO reading is stored in Keep Alive Memory (KAM) after it is updated. Other indicators are Long Term Fuel Trim and MAF voltage at idle. NOTE: THE FOLLOWING PROCEDURE MAY ALSO BE USED TO DIAGNOSE VEHICLES THAT DO NOT HAVE FUEL SYSTEM/HO2S SENSOR DTCs. Symptoms
  • Lack of Power
  • Spark Knock/Detonation
  • Buck/****
  • Hesitation/Surge on Acceleration
  • Malfunction Indicator Lamp (MIL) Illuminated - DTCs P0171, P0172, P0174, P0175 may be stored in memory
OBDII DTCs
  • P0171, P0174 (Fuel system lean, Bank 1 or 2)
  • P0172, P0175 (Fuel system rich, Bank 1 or 2)
  • P1130, P1131, P1132, (HO2S11 lack of switching, Bank 1)
  • P1150, P1151, P1152, (HO2S21 lack of switching, Bank 2)
OBDI DTCs
  • 181, 189 (Fuel system lean, Bank 1 or 2)
  • 179, 188 (Fuel system rich, Bank 1 or 2)
  • 171, 172, 173 (HO2S11 lack of switching, Bank 1)
  • 175, 176, 177 (HO2S21 lack of switching, Bank 2)
  • 184, 185 (MAF higher/lower than expected)
  • 186, 187 (Injector pulse width higher/lower than expected)
NOTE: DO NOT DISCONNECT THE BATTERY. IT WILL ERASE KEEP ALIVE MEMORY AND RESET LONG TERM FUEL TRIM AND BARO TO THEIR STARTING/BASE VALUES. THE BARO PARAMETER IDENTIFICATION DISPLAY (PID) IS USED FOR THIS DIAGNOSTIC PROCEDURE. ALL OBDII APPLICATIONS HAVE THIS PID AVAILABLE. THERE ARE SOME OBDI VEHICLES THAT DO NOT HAVE THE BARO PID, FOR THESE VEHICLES OMIT THE BARO CHECK AND REFER ONLY TO STEPS 2, 3, AND 4 IN THE DIAGNOSTIC PROCEDURE.
  1. Look at the BARO PID. Refer to the Barometric Pressure Reference Chart in this article. At sea level, BARO should read about 159 Hz (29.91 in. Hg). As a reference, Denver, Colorado at 1524 meters (5000 ft.) altitude should be about 144 Hz (24.88 in. Hg.). Normal learned BARO variability is up to ±6 Hz (±2 in. Hg.). If BARO indicates a higher altitude than you are at (7 or more Hz lower than expected), you may have MAF contamination. If available, Service Bay Diagnostic System (SBDS) has a Manifold Absolute Pressure (MAP) sensor that can be used as a barometric pressure reference. Use "MAP/BARO" test under "Powertrain," "Testers and Meters." Ignore the hookup screen. Connect GP2 to the reference MAP on the following screen. NOTE: REMEMBER THAT MOST WEATHER SERVICES REPORT A LOCAL BAROMETRIC PRESSURE THAT HAS BEEN CORRECTED TO SEA LEVEL. THE BARO PID, ON THE OTHER HAND, REPORTS THE ACTUAL BAROMETRIC PRESSURE FOR THE ALTITUDE THE VEHICLE IS BEING OPERATED IN. LOCAL WEATHER CONDITIONS (HIGH AND LOW PRESSURE AREAS) WILL CHANGE THE LOCAL BAROMETRIC PRESSURE BY SEVERAL INCHES OF MERCURY (±3 Hz, ±1 in. Hg.). NOTE: BARO IS UPDATED ONLY WHEN THE VEHICLE IS AT HIGH THROTTLE OPENINGS. THEREFORE, A VEHICLE WHICH IS DRIVEN DOWN FROM A HIGHER ALTITUDE MAY NOT HAVE HAD AN OPPORTUNITY TO UPDATE THE BARO VALUE IN KAM. IF YOU ARE NOT CONFIDENT THAT BARO HAS BEEN UPDATED, PERFORM THREE OR FOUR HEAVY, SUSTAINED ACCELERATIONS AT GREATER THAN HALF-THROTTLE TO ALLOW BARO TO UPDATE.

May 01, 2010 | 1997 Mercury Cougar XR7

2 Answers

I HAVE 1993 EAGLE TALON ENGINE LACKS POWER AND NOISE WHEN TURN R IN WHEEL ACCELERATION


check the oil level make sure your are using the right weight for your time zone, check the map sensor and the knock sensor, make sure check the fuel pressure at the engine

Jul 31, 2009 | 1990 Eagle Talon

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