Question about 1995 Buick Park Avenue

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95 buick park av. replaced cam sen. crank sen. mass air flow, replaced brain, replaced ignition mod. plugs, fuel injectors, seems like i,ts getting to much fuel please help.

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  • shawnsz
    shawnsz May 11, 2010

    check your return line for a pinch or see if it's stopped up . This will cause the fuel pressure to go real high. Have you checked the pressure and why do you think it is getting to much fuel?

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  • 33 Answers

Maybe an intake valve is stuck, not seating right.

Posted on Feb 20, 2009

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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

1999 Buick park stalling misfiring runs poor at stop n go replaced maf, map,o2,crank shaft position plugs wires ignition coils engine control module air fuel filters pcv valve still having problem


You need to take it an have checked out by a ASE certified repair facility ! Stop wasting your money an take it to a pro ! How many miles do you have on the vehicle ? Cam gear an timing chain worn , jumped timing . Possible vacuum leak , plugged injectors etc..

May 07, 2015 | Buick Cars & Trucks

2 Answers

1995 Buick park ave dies at exactly 2000 Rpms


Have the charging system checked to make sure you are getting 14.25 volts when idle and everything on,blower on high and headlights on .if you are not getting at least 13.60 then replace the alternator,and or out put cable from alternator

Oct 31, 2014 | 1995 Buick Park Avenue

2 Answers

95 Park Avenue Ultra dies for no reason I can find, I've replaced the crank sensor, cam ssensor, spark module, fuel filter, I've had the injectors tested, fuel pump tested, plugs & wires t


As you have probably figured out by now, you will have to treat it as a no start and troubleshoot it when it fails to start. Until you figure out if you are loosing spark or fuel to the injectors when the engine dies you have no direction to go in.

Aug 20, 2012 | Buick Cars & Trucks

1 Answer

My 95 buick lesabre will not start , I have change to a new fuel pump and a new cam shaft sensor. The gas is getting to the fuel rail, I have spark on all six cylinders . If i spray gas in through the mass...


Thee are a couple of things left to check. One is to hook up a fuel pressure gauge to the fuel rail and see how much pressure your getting and compare it to specs. It maybe getting fuel there but not enough pressure. To see if the injectors are being pulsed you wil need a set of noid lights. You will unplug an injector and plug in the noid light. It will flash everytime that injector is pulsed. If it never flashes your injector drivers on the ecu are bad.

Sep 20, 2010 | 1995 Buick LeSabre

2 Answers

Engine will turn over but not start i have checked crank and cam sensors replaced the fuel rail and crank sensor, has plenty of fuel to injectors checked the fuses in the fuse panel. what else could it be?


Well at its most basic level, any internal combustion engine needs 3 things to run, air, fuel and ignition. You know you have fuel, so that leaves air and ignition. Check for spark first, then check your mass airflow sensor, if thats bad, that could be your problem.

Nov 21, 2009 | 2004 Ford F150

1 Answer

95 buick park avenue ignition problem


What is the fuel pressure it has to be at least
  1. Ignition "OFF" for 10 Seconds.
  2. With ignition "ON," engine "OFF" and fuel pump running, pressure should be 333-376 kPa (48-55 psi). For additional fuel pressure testing, See: Computers and Control Systems\Testing and Inspection\Symptom Related Diagnostic Procedures\A - E Charts & Related Test Procedures\A Charts\Chart A-7 Fuel System Diagnosis
  3. Have you tested the compression?
  4. A totally plugged cataltic converter can cause tis too because the engine cannot breathe
  5. to verify a plugged cat connect a vacuum guage to manifold vacuum and ccrank the engine you should get at least 2-4" of cranking vacuum providing the timing chain has not jumped and the cat is not plugged
If you find this information helpful please give me a good rating

www.aceautomotive1.com

Aug 16, 2008 | 1995 Buick Riviera

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