Question about 1992 Buick Park Avenue

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Intermittent poor acceleration, loss of power. Has

Intermittent poor acceleration loss of power. Has new plugs ignition module crank sensor fuel filter. Plug wires 1 year old. Have tried mass air flow sensor coil packs. Fuel pressure was monitored and checked okay at 40. Applied dielectric grease to coil pack and module contacts and ran great for 20 miles. Pulled battery cable to reset engine code 42 and started running poorly again. Idles poorly now and jerks and hesitates when accelerating. Side note; battery 3 years old. Frequently will be dead after sitting for a week. Charge it up and it will work fine. What next????

Posted by Anonymous on

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  • Buick Master
  • 923 Answers

How is your charging system? Sounds to me like it's not charging your battery, so it runs until the battery cannot support the ignition load.

Posted on Apr 24, 2017

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6ya6ya
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Posted on Jan 02, 2017

SOURCE: P0171 Code (Lean Fuel Bank 1) Engine light on

you nead to check all you vacuum lines for leaks it sounds like you have a vacuum leak or the o2 sensor is going bad on bank 1 **** i still say vacuum leak

Posted on Nov 23, 2008

honeymokey
  • 3113 Answers

SOURCE: car runs erratic, stahls intermittingly not always can,t isolate

If you have #1228253 ECM replace it. They will cause a lot of problems like this. Get a delco 16198264 ecm .

Posted on Jan 06, 2009

  • 1118 Answers

SOURCE: 1991 lesabre wont start after shutting down. If it

Best to do a fuel pressure test, pump might be weak and dosent show up until it gets gets warm. Best to do the test after it quits again when pump is at its hottest. If you havent done it yet chg. fuel filter too.

Posted on Mar 26, 2009

honeymokey
  • 3113 Answers

SOURCE: my engine shuts off while im driving

Check ecm for number 1228253. If it has this one in it you will have a cutting off problem. Gm replaced these with #16198264 The cam sensor magnet on the cam gear will deteriorate and give problems. This will require removal of the timing cover.

Posted on Apr 17, 2009

csmock132
  • 4669 Answers

SOURCE: 92 Buick Le Sabre engine stumbling/hesitation

Have you checked fuel pressure? How about spark on all 6 cylinders? Maybe a coil?

Posted on Apr 29, 2009

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2 Answers

Have intermittent miss... ran seafoam through the engine no change. Seems to miss more when hot less so when cool. If I try to accelerate quickly it misses horribly but if I go slowly it's fairly smooth...


At this point it could be several things, and you'd have to do some testing to start eliminating different possibilities. Could be ignition related-coil, plugs, plug wires, ignition control module, crank sensor, cam sensor, and the associated wiring; could be gas related or the air/fuel mixture is wrong. Or more serious, it could be a mechanical problem like poor compression in one or more cylinders.
I would start with checking the fuel pressure. Borrow or rent a fuel pressure gauge and do a thorough test. Then you will know that the pump and gas delivery to the injectors is not a problem. Next you should check for any possible trouble codes in the pcm. Post back if you need the procedure to get the codes. I can provide a link.

It is nearly impossible to field test for an intermittent miss as far as the ignition system goes. Most people start with new spark plugs and new plug wires to see if that eliminates a miss. The ICM and the ignition coils can be tested at almost any parts store, usually a free service.
Maybe this will help a little, give you an idea of things to check or consider. Engine misses are caused by lack of, or wrong amount of 1) gas, 2)spark, or 3) cylinder compression.

Jul 12, 2017 | Cars & Trucks

1 Answer

03 Nissan Altima showing codes P0304,P0102,P0154,P0113 what are they and how do i repair the problems.


Hi Chris.

p0304 = Number 4 Cylinder Misfire Detected

Faulty spark plug 4
Clogged or faulty fuel injector 4
Faulty ignition coil 4
Fuel injector 4 harness is open or shorted
Fuel injector 4 circuit poor electrical connection
Ignition coil 4 harness is open or shorted
Ignition coil 4 circuit poor electrical connection
Insufficient cylinder 4 compression
Incorrect fuel pressure
Intake air leak

The P0304 code means that the cylinder 4 is misfiring or is randomly misfiring. Start by checking for intake leaks an if no leaks are found the next step is to replace the spark plugs on cylinder 4.


p0102 = Mass or Volume Air Flow Circuit Low Input

Faulty mass air flow sensor
Intake air leaks
Dirty mass air flow sensor
Dirty mass air filter
Mass air flow sensor harness is open or shorted
Mass air flow sensor circuit poor electrical connection

Before replacing the mass air flow sensor, try replacing the air filter and cleaning the air flow sensor with low compress air or mass air flow sensor cleaner.
Reset code and drive vehicle.
If the code comes back, it may be necessary to replaced the mass air flow sensor.


p0154 = O2 Sensor Circuit No Activity Detected Sensor 1 Bank 2

Faulty Front Heated Oxygen Sensor Bank 2
Front Heated Oxygen Sensor Bank 2 harness is open or shorted
Front Heated Oxygen Sensor Bank 2 circuit poor electrical connection
Inappropriate fuel pressure
Faulty fuel injectors
Intake air leaks may be faulty
Exhaust gas leaks

Replacing the Front Heated Oxygen Sensor Bank 2 usually takes care of the problem.


p0113 = Intake Air Temperature Sensor Circuit High

Faulty Intake Air Temperature (IAT) sensor
Dirty air filter
Intake Air Temperature (IAT) sensor harness is open or shorted
Intake Air Temperature (IAT) sensor circuit poor electrical connection

The Intake Air Temperature (IAT) sensor is built into mass air flow sensor or in some vehicles mounted to the air filter duct housing. The sensor detects intake air temperature and transmits a signal to the Engine Control Module (ECM).The temperature sensing unit uses a thermistor which is sensitive to the change in temperature. Electrical resistance of the thermistor decreases in response to the temperature rise. The Intake Air Temperature signal is used as an input for various systems in the vehicle.



Hope this helps
FYT

http://www.autocodes.com/make/nissan

Mar 26, 2017 | Nissan Cars & Trucks

1 Answer

Where is fuel pump harness on a 2000 escalade


DTC P1351 Ignition Coil Control Circuit High Voltage
The enhanced ignition system uses the crankshaft position (CKP) sensor in order to provide a timing input to the control module. Ignition control (IC) spark timing for each cylinder is based on this input. The control module provides the ignition timing signal to the ignition control module (ICM) to control the ignition coil. Each timing pulse detected by the ICM allows it to energize the ignition coil. A large secondary ignition voltage is induced in the secondary coil by the primary coil. This high voltage is switched to the correct spark plug by the distributor.
This diagnostic trouble code (DTC) will set if the VCM- (vehicle control module ) detects an unusually high voltage on the ignition timing signal circuit.
Diagnostic Aids
Intermittent test -- If the connections and the harness check OK, monitor a digital voltmeter connected between VCM terminal C3 pin 9 and C4 pin 18 while moving related connectors and wiring harness. If the failure is induced, the voltage reading will change. This may help to isolate the location of the malfunction.
An intermittent may be caused by any of the following conditions:
?€¢
A poor connection

?€¢
Rubbed through wire insulation

?€¢
A broken wire inside the insulation
Thoroughly check any circuitry that is suspected of causing the intermittent complaint. Refer to Testing for Intermittent Conditions and Poor Connections in Wiring Systems.
If a repair is necessary, refer to Wiring Repairs or Connector Repairs in Wiring Systems.
Check out this guy's video on GM fuel pump electrical circuit diagnosis !

GM Fuel Pump Relay Testing

Apr 21, 2016 | Cars & Trucks

3 Answers

Engine code p110


P0303 Code - Cylinder #3 Misfire
P0110 DTC - IAT Circuit Malfunction
P2195 O2 Sensor Signal Biased/Stuck Lean (Bank 1 Sensor 1) Code
Potential causes of a P2195 code include:
p2195
p219521
  • Oxygen (O2) or A/F ratio sensor or sensor heater malfunction
  • Open or short in O2 sensor circuit (wiring, harness)
  • Fuel pressure or fuel injector problem
  • Faulty PCM
  • Intake air or engine vacuum leaks
  • Faulty fuel injector(s)
  • Fuel pressure too high or too low
  • PCV system leak/fault
  • A/F sensor relay faulty
  • MAF sensor malfunction
  • ECT sensor malfunction
  • Fuel pressure too low
  • Fuel leak
  • Air suction in air intake system
  • A code P0303 may mean that one or more of the following has happened:
  • Faulty spark plug or wire
  • Faulty coil (pack)
  • Faulty oxygen sensor(s)
  • Faulty fuel injector
  • Burned exhaust valve
  • Faulty catalytic converter(s)
  • Running out of fuel
  • Poor compression
  • Defective computer
  • Potential causes of the P0110 DTC include:

  • po110
    • IAT sensor shifted out of airflow
    • Bad IAT sensor
    • Shorted to ground or open on signal circuit to IAT
    • Open in ground circuit to IAT
    • Poor connection at IAT (backed out terminals, broken connector locks, etc.)
    • Bad PCM

Sep 25, 2014 | 2003 Ford Focus

1 Answer

Engen problem and missing


Sir, your question is not very clear, but I will still try to post a solution here. Engine missing could be due to any problem in fuel system, ignition system, engine or ECM as well.

LOW ENGINE IDLE SPEED (Poor idling):
-Throttle body (do the cleaning and idle speed learning)
-A /C signal circuit
-Fuel pump control circuit
-Fuel pump
-Intake system
-P C V valve (clogged or open) and hose

ROUGH IDLING:
-Cylinder Compression
-Ignition system (Igniters, spark plugs, wiring harness)
-Spark plug fouled, gap too wide or too short. (1.00-1.1 mm)
-Fuel injector circuit
-E C M power source circuit
-Fuel pump control circuit
-Fuel pump (required pressure 44 psi - 49 psi)
-Throttle body (cleaning)
-Intake system
-P C V valve and hose
-Air fuel ratio sensor
-Heated oxygen s ens or
-Mass air flow meter
-Idle hunting
-Throttle body
-Intake system
-P C V valve and hose
-Air fuel ratio sensor
-Mass air flow meter

HESITATION/ POOR ACCELERATION:
-Fuel pump control circuit
-Fuel pump
-Spark plug
-Ignition system
-Fuel injector circuit
-E C M power source circuit
-Mass air flow meter
-Throttle body (do cleaning)
-Intake system
-Valve timing
-Cylinder Compression


Jan 18, 2014 | 2008 Toyota Corolla

1 Answer

Poor acceleration


As you haven't stated if its petrol or diesel, I can only give you a general check list. 1. fuel pressure/delivery rate/fuel pressure regulator. 2. fuel filter. 3. intake manifold air control solenoid. 4. air intake system/vacuum system - leaks/blockage. 5.air filter. 6. exhaust system/catalytic converter. 7. engine compression. 8. ignition system. 9. injectors. 10. engine management system - connections. 11. crankshaft position sensor. 12. evaporative emission (EVAP) canister. 13. Mass air flow sensor (MAF). 14. Throttle position (TP) sensor. 15. Engine/clutch/breaks condition. 16. Engine control module (ECM). It seems a lot to check, but that is the list given from a data sheet. Knock yourself out and have fun.

Jun 25, 2013 | 2006 Kia Carnival 2.7

1 Answer

I have a 2007 Mazda CX-7. It has been driving just fine (after a timing chain replacement and a turbo replacement in. The last 7 months. Last night (Friday) my check engine light came on. The guy at...


Here's what it says Heather,
  • The crankshaft position sensor identifies position of the crankshaft to the ignition control module (ICM), engine control module (ECM) or powertrain control module (PCM)
  • When not replaced, vehicle could experience no- or hard start, long crank time, misfire, lack of power, excessive hydrocarbons in oil, spark plug fouling, catalytic converter failure, poor fuel economy, CEL/MIL illumination or intermittent shutdown.I would say,go for it.

Mar 23, 2013 | 2007 Mazda CX-7 Grand Touring

1 Answer

What does acam or crankshaft sensor do


  • The crankshaft position sensor identifies position of the crankshaft to the ignition control module (ICM), engine control module (ECM) or powertrain control module (PCM)
  • When not replaced, vehicle could experience no- or hard start, long crank time, misfire, lack of power, excessive hydrocarbons in oil, spark plug fouling, catalytic converter failure, poor fuel economy, CEL/MIL illumination or intermittent shutdown.
  • The camshaft position sensor identifies position of the camshaft to the ignition control module (ICM), engine control module (ECM) or powertrain control module (PCM)
  • When not replaced, vehicle could experience no- or hard start, long crank time, misfire, lack of power, excessive hydrocarbons in oil, spark plug fouling, catalytic converter failure, poor fuel economy, CEL/MIL illumination or intermittent shutdown
  • Jul 24, 2012 | Cars & Trucks

    1 Answer

    Ford 2003 escape codes readed


    Cauases or fault codes are not cut and dry, but here are the possible causes of codes P0316 and P0306 which are related codes.
    P0316 - Engine Misfire Detected on Startup
    Symptoms - Engine Light ON (or Service Engine Soon Warning Light)
    - Engine fails to start
    - Engine runs rough Possible causes - Crankshaft Position (CKP) sensor harness is open or shorted
    - Crankshaft Position (CKP) sensor circuit poor electrical connection
    - Faulty Crankshaft Position (CKP)
    - Ignition System
    - Fuel Injectors
    - Running out of fuel
    - Fuel Quality
    - Faulty Engine Control Module (ECM) P0306 - Cylinder 6 Misfire Detected Symptoms - Engine Light ON (or Service Engine Soon Warning Light)
    - Lack/loss of power
    - Hard start
    - Engine hesitation
    Possible causes - Faulty spark plug 6
    - Faulty ignition coil 6
    - Ignition coil 6 harness is open or shorted
    - Ignition coil 6 poor electrical connection
    - Clogged or faulty fuel injector 6
    - Injector 6 harness is open or shorted
    - Injector 6 poor electrical connection
    - Improper spark plug 6
    - Insufficient cylinder 6 compression
    - Incorrect fuel pressure
    - Intake air leak

    Jan 17, 2012 | Cars & Trucks

    1 Answer

    VERY ROUGH IDLE NO EXCELERATION


    Try a few if these ideas...

    Priority Action Part Type Cause
    1 Inspect Spark Plug Fouled, Damaged, or Broken Spark Plug(s).
    2 Inspect Hose (PCV) Clogged or Collapsed PCV Hoses.
    3 Inspect Wireset Worn, Damaged or Faulty Spark Plug Wire(s).
    4 Inspect Distributor Worn, Damaged or Faulty Distributor.
    5 Inspect Catalytic Converter Clogged or Faulty Catalytic Converter.
    6 Inspect Fuel Pump Low Fuel Pressure.
    7 Inspect TimingSet Slipped TimingChain or Worn TimingGear(s).
    8 Inspect Knock Sensor Improperly Connected or Faulty Knock Sensor.
    9 Inspect M.A.P. (Manifold Absolute Pressure) Sensor Faulty M.A.P. Sensor.
    10 Inspect Throttle Position Sensor Faulty or Incorrectly Connected Throttle Position Sensor.
    11 Inspect Mass Air Flow (MAF) Sensor Damaged, Loose, or Faulty Mass Air Flow Sensor or Circuit.
    12 Inspect Air Cleaner Temperature Sensor Damaged or Faulty Air Cleaner Tempature Sensor.
    13 Inspect Fuel Injector Pressure Regulator Faulty Fuel Injector Pressure Regulator.
    14 Inspect Piston Ring Set Worn or Broken Piston Rings.
    15 Inspect Timing Specification Incorrect Ignition Timing.
    16 Inspect Fuel System Pressure Incorrect Fuel Pressure Being Delivered to Carburetor or Fuel Injection System.
    17 Inspect Fuel Filter Clogged or Dirty Fuel Filter.
    18 Inspect PCV Valve Plugged or Damaged PCV Valve.
    19 Inspect Valve Burned, Worn, or Sticking Exhaust Valves.
    20 check idle stop solenoid - if faulty, could cause rough idling
    21 inspect distributor cap/rotor - if burnt, could cause loss of acceleration

    Apr 18, 2011 | Chevrolet Cavalier Cars & Trucks

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