engine misfires or misses under load.

What is your question?

Engine fires on all 4 cylinders and has good fuel pressure running in neutral at the curb, both at idle and full RPM, but will miss and surge in gear under a load (while driving).

jdmotor in Pacifica CA

·

Jan 21, 2015

·

2 Replies

Popular Answer
CharlesAutomotiveon Jan 21, 2015

Check the plugs and coils to start.

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jdmotoron Jan 22, 2015

I've replaced the plugs. Only one coil and it seems to work fine

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Hal Dortonon Jan 21, 2015

Change your spark plugs and wires etc...Parts are worn out.

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jdmotoron Jan 22, 2015

Thanks for the suggestion. I have replaced the plugs, wires, distributor cap and rotor. I'm not sure if this is an ignition advance issue or a sensor malfunction. All injectors and ignition seem to be working fine until under a load.

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