Question about 1989 Chevrolet Suburban

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Engine starts fine asa it warms up it starts to run like its gasping for air it runs fine when you give it gas to accelerate

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DOES IT NEED A SERVICE?

Posted on Jun 30, 2009

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6ya6ya
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SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017

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97 buick regal gs runs fine until warm then stalls and will start for more than a second. sometimes when i give it gas it will rev for another second then stall


When the engine warms up the engine computer goes into closed loop mode and relies primarily on the O2 sensors and the MAF sensor to calculate the correct fuel to air mixture - if one of the O2 sensors is fouled or the MAF sensor is not working properly, this can cause the problem.
Given the age of the car, I would also check the idle air control (IAC) and channels, the EGR valve and the throttle body for carbon buildup.

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possibly camshaft position sensor in the distributor, or weak fuel fump starts acting up when warm, or throttle position sensor. heat has a effect on sensors and electrical components in some weird and hard to find ways.

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My wrangler is gasping at 40 mph and idling higher when this happens


Check fuel pressure, the fuel pressure should be about 49psi ( + or - 5 psi).

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Need to use gas pedal to star in the morning after warmed up in starts fine


Just a little technical information: Your jeep does not have a "gas" pedal. Your Jeep has an "accelerator" pedal. This may sound trivial, but if you understand this, it will help you to know what is going on. The accelerator does not control the gas, it controls the air going into your engine. If the engine will not start until you give it more air, then the problem is most likely an Idle Air Control solenoid (IAC) that is sticking closed during cold operation. This is a common problem. Replacing the IAC will probably fix the problem.

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I have a 1999 chevy express 1500 van with 5.7L engine. When engine is not hot it will not start without starting fluid, when warm starts ok. After it is started it runs fine under normal driving but if I...


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My 1997 Jeep Grand Cherokee Laredo is starting to have a ''slight'' hesitation after I shut it off and re-start it again. WHen I accelerate at first it hesitates a bit. I let off the gas for a few seconds...


A slight hesitation after engine shut off due to engine running rich meaning not meeting golden air:gas ratio of 14.6:1 so fuel residue in chamber continue to burn for the last moment. The same rich fuel problem that was why you had to let gas off during acceleration. Need to Check out the O2 sensor Check out MAP sensor Good luck

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2003 vw jetta wolfsburg bogs on early acceleration


Don't know if it applies to your diesel but most later gas engined vehicles have a 'cold start' valve that supplies additional fuel to the fuel/air mix along with boosting the idle speed until some warming of the engine is sensed.

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