I have a 2002 chev impala 3400 eng it is all ways bogging down when i start to drive have changed the plugs and wires and still dose it can some one help me please

Asked by tubby Aug 03, 2013 at 09:28 PM about the 2002 Chevrolet Impala FWD

Question type: Maintenance & Repair

I have changed the plugs and wires thought it was the trannie but they said no when cold
its fine but when worms up and i step on the gas pedal it will bog down until you reach
about 40 klicks then its fine

migration_judge_roy answered 11 years ago

check your fuel pressure regulator at the vacuum connection...then replace it if the diaphragm isn't movin' when you apply vacuum...also check the source vacuum so make sure the vacuum line isn't cracked...replace with silicone ones~

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migration_judge_roy answered 11 years ago

The TPS or accelerator sensor can produce the symptoms you are describing~

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migration_judge_roy answered 11 years ago

since it seems to be temperature related am going to suggest an intake air temperature sensor~

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asus3571 answered 11 years ago

maby fuel pressure regulator very common on that car

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Cerria answered 9 years ago

How to put a heater hose on

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I have a 2002 chev impala 3400 eng it is all ways bogging down when i start to drive have changed the plugs and wires and still dose it can some one help me please

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I have a 2002 chev impala 3400 eng it is all ways bogging down when i start to drive have changed the plugs and wires and still dose it can some one help me please

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