04 grand prix hesitation under acceleration. Hesitation when accelerating

This would be more likely to cause a UIM explosion if the raw fuel were to get ignited in the manifold. I fixed the issue,, it was a short,, previous owner replaced the plugs and wires,, and a few weeks that's when I bought it,, then later on the metal on the o2 sensor got hot was shorting out on the rear drivers side plug wire, as they were touching. Had GM warranty the CAT, we are atand the warranty went to , no arguements from them on if it was covered or not. Add to your Watched Users. General Questions. Possible bad CAT converter.

 

Dirty fuel injectors may cause the engine to run lean which will in turn, cause hesitation when accelerating.Hesitation when accelerating.

 

Pontiac Grand Prix Engine hesitates during acceleration Inspection at your home or office. forum? 04 Grand Prix Cut out / Hesitation on acceleration between 2k and 3k rpms but not at WoT. MAF replaced, plugs, - Pontiac Grand Prix question.Thanks again!

 

bestinternettvbox.online › › Pontiac Car Forums › Pontiac Grand Prix Forum.Misfire An engine misfire can be caused by a few things.Forum 04 grand prix hesitation under acceleration

 

04 Grand Prix v6 Symptoms: 1/4th to 3/4 throttle and it bogs down on is between psi depending on idle or under acceleration.A vehicle that struggles or hesitates to accelerate may be unpredictable and moments of hesitation may be coupled with equally dangerous moments of surging or unexpected acceleration.

 

Hesitation. Tiny. YETI MEMBER; PONTIAC GRAND PRIX; 6 CYL On ramp to highways with a slight incline will cause the hesitation.At the same speeds but mostly from getting on the freeway from an on-ramp or trying to accelerate from mph.

 

bestinternettvbox.online › › Grand Prix › Hesitation when accelerating.Don't waste your money on MSD coil packs.

 

Hesitation when accelerating - I have 01 Pontiac Grand Prix, the last couple weeks it's been hesitating when accelerating. Spark plugs and wires just re.Thank you so muich.

 

Possible bad CAT converter. See advisory at link below. Also, what is the current mileage? carczar. , PM.In all cases, the mechanic will start the vehicle to make sure that all of the new components are working properly.

 

Pontiac Grand Prix: Jerks When Accelerating Diagnosis forum? under acceleration,, it doesnt do it while in park and reved up. # - 11/16/10 PM Re: GTP hesitation on acceleration only.I know of another GP owner who had the same issue.

 

Trying to fix my friend's Grand Prix GT. Under acceleration the engine will stammer sometimes with a full miss; - Answered by a.If the fuel tank itself it beginning to show signs of age, it may be convenient to change the pump and tank at the same time.

 

An engine misfire can be caused by a few things. Most of the time it's going to be the spark plugs or coil packs that are the culprit. A misfire.Try cleaning the MAF.

 

I have a pontiac grand prix SE bestinternettvbox.online car has miles car ran great till about two weeks ago brought it too one mechanic and he didnt.Excellent Rating.

 

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It can be frustrating for any driver to expect certain acceleration from their vehicle only to find that the vehicle seems to be hesitant while speeding up.

 

Thanks again!

 

You could just unhook the exhaust from the DP and see if the issue goes away.

 

Not enough air will throw off the air fuel ratio and make the Grand Prix jerk as well.

 

Spark Plugs — Even under the best conditions, spark plugs will eventually need to be replaced.

 

Write a car review.

 

Number of Pontiac Grand Prix services completed.

 

Also check your accelerator pedal and throttle body sink make sure they are close together.

 

It mixes air and fuel together and needs a strong ignition of the two to run properly.

 

Would highly recommend.

 

Lewis 16 years of experience.

 

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Try cleaning the MAF.

 

I am changing the CAT no matter what.

 

Misfire An engine misfire can be caused by a few things.

 

Have you checked to see if the cat is an issue?

 

Thanks for all the input.

 

Acceleration issues have been lead to be a bad cat.

 

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Fuel Pump: The fuel pump in most modern vehicles sits inside the fuel tank and pumps fuel up to the engine.

 

What is the average price to replace mass air flow sensor?

 

The plug wires appear to be fine.

 

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Would highly recommend.

 

Have you checked to see if the cat is an issue?

 

While ignition system is the most likely reason that a vehicle will jerk when accelerating, it is not the only one.

 

I ignored it because from what I read it doesn't cause drivabliltiy issues.

 

General Questions.

 

It is possible for the converter to clog.

 

Request Alex.

 

General Questions.