Question about 2004 Pontiac Grand Prix
I changed to spark plugs and wire and coil and still light flashes. reset the code 3 times... plz help!
good luck possible stick rock or debri damage as you will see it is very vulnerable so use caution
Ignition timing sensor located on the front of the crankshaft is loose out of adjustmen or broken. buy a new one and replace it by the book
possible stick rock or debri damage as you will see it is very vulnerable so use caution
Posted on Mar 20, 2014
I'm leaning towards the ignition control module I just went through this
Posted on Mar 18, 2014
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Posted on Jan 02, 2017
so did u change the wires or not? - if not thats what yu need to do...esp the main coil wire. Also did u change the rotor button and distributor cap ? if not do those too.
Posted on Jan 08, 2009
SOURCE: I am getting a misfire
Here is a copy of the "Policy Adjustment" that I took to the dealer with me this morning. Hope this helps any of you.
Subject: Special Policy Adjustment - Catalytic Converter #05551 -(09/14/2005)
Models: 2001-02 CHEVROLET IMPALA, MONTE CARLO
2001-02 PONTIAC GRAND PRIX
2001-02 BUICK REGAL
EQUIPPED WITH 3.4L (RPO LA1 - VIN E) OR 3.8L (RPO L36 - VIN K) V6 ENGINE
Some customers of 2001-02 Chevrolet Impala, Monte Carlo; Pontiac Grand Prix; and Buick Regal model vehicles, equipped with a 3.4L (RPO LA1 - VIN E) or 3.8L (RPO L36 - VIN K) V6 engine, may experience a condition where the vehicle exhaust catalytic converter is replaced due to complaints of lack of power or illumination of the Malfunction Indicator Lamp (MIL). This may be due to the front endcone insulation from the catalytic converter breaking away and blocking the front of the first catalyst brick and preventing the free flow of exhaust gas through the converter.
Special Policy Adjustment
This special policy covers the condition described above for a period of 10 years or 120,000 miles (190,000 km), whichever occurs first, from the date the vehicle was originally placed in service, regardless of ownership. The repairs will be made at no charge to the customer.
For vehicles covered by Vehicle Service Contracts, all eligible claims with repair orders on or after September 15, 2005 are covered by this special policy and must be submitted using the labor operation codes provided with this bulletin. Claims with repair orders prior to September 15, 2005 must be submitted to the Service Contract provider.
Involved are all 2001-02 Chevrolet Impala, Monte Carlo; Pontiac Grand Prix; Buick Regal model vehicles, equipped with a 3.4L (RPO LA1 - VIN E) or 3.8L (RPO L36 - VIN K) V6 engine and built within the following VIN breakpoints:
Parts required to complete this special policy are to be obtained from General Motors Service Parts Operations (GMSPO).
Converter, Catalytic (L36 engine)
Converter, Catalytic (LA1 engine)
Gasket, Catalytic Converter (Converter to I-Pipe, both)
Gasket, Exh Manif Pipe (L36)
Gasket, Exh Manif Pip (LA1)
General Motors will notify customers of this special policy on their vehicles (see copy of typical customer letter included with this bulletin - actual divisional letter may vary slightly).
Catalytic Converter Inspection
Begin the inspection by reviewing the condition described by the customer. Refer to "Description and Operation," SI document 657895, to help you determine the correct symptom diagnostic procedure when a malfunction exists.
Posted on Feb 08, 2009
The only thing left is the injector or a vacuum leak on the manifold gasket sucking air in and causing a lean condition. Thats is its the only common issue providing you dont have a head gasket issue leaking coolant on that cylinder and the compression and valves are not leaking. The old spark plug should show a coolant issue if present. The white part will be shiney if you have a coolant loss. If the coolant is looking real dark you should have the cooling system checked for gas being pushed into the cooling system on compression stroke thru the head gasket.
Posted on Nov 12, 2009
you don`t say if after you replaced components the miss fire was fixed.you may have the problem still there as on these cars the light will go out when the problem is fixed.however you can reset the light with a scan tool or disconnect the battery for a minute.record your radio stations as they will have to be reset.the procedure to reset radio is in your owners manual.
Posted on Mar 19, 2011
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