Question about 1992 Dodge Grand Caravan

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While driving it slows down and cant pick up speed, I put it in neutral shut it off and start it up again, and it runs fine again. 1992 Grand Caravan 3.3 engine Already changed gas filter.

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  • faustofp355 Oct 10, 2010

    i ALREADY CHANGED THE SPARK PLUGS AND WIRES, i WILL TRY A FUEL INJECTOR CLEANER AND IF SEE WHAT HAPPENS, LAST WILL CHANGE FUEL PUMP.

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Auto Diagnose:During car starting the car initially starts then after a while it suddenly slows, there are a lot of possible reasons. Let's find out by doing a simple test.

(1) Start the engine,
from neutral position depressed the acceleration pedal.

(2) While your foot is in the accelerator pedal, observe if the car engine will continuously running. If the car engine stays running while you depressed the acceleration pedal then the problem is the choke. By keeping pressure on the accelerator, you keep the choke in a position that keeps the engine running thus the engine will not stop.

If the engine will not continuously run even when the accelerator pedal is depressed means the problem is not the choke then continue the car problem diagnosis.

(3) If the car problems occur only when the weather is cold then the problem is that the choke is stuck in open position. As you may not aware of, if the engine is cold the choke should be in the closed position so that the air/fuel mixture will become rich as a requirement to start a cold engine. In this case the engine is cold but the air/fuel mixture is too lean, meaning too much air and not enough fuel, this is because the choke is open thus your car engine will not stay running.

(4) If the car problems occur even when the engine is not cold then the problem is a clogged fuel filter or a bad fuel pump.
A bad fuel pump will not be able to provide a steady amount of fuel which causes the car engine not to stay running. Also, a clogged fuel filter will prevent the flow of fuel.
Thanks. Keep updated for any more query. You can rate this solution and show your appreciation

Posted on Oct 10, 2010

  • charley Jul 29, 2012

    i have checked the fuel pump its ok its been two days now the garage guy does not know what to do, he has checked the sensors and all please help

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There seems to be some hindrance in the flow of gas. You have removed one, ie, the gas filter. The Fuel pump could be pumping less fuel, the fuel injectors may be clogged or semi clogged (more likely). And while you are at it, also check the spark plugs. They should have blue spark.

Posted on Oct 10, 2010

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