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Mike S.
Mike S., Chevy Mechanic
Category: Chevy
Satisfied Customers: 5060
Experience:  ASE Certified Master Technician
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Chevrolet Cheyenne 1500: I have 98 Chevy 1500 brand new crate

Customer Question

I have 98 Chevy 1500 brand new crate motor installed 30,000 k ago I have acylinder4 misfire code coming up and now after a new distributer cap and rotor still get it and now I'm on my 3rd cap and it broke down misfiring all cylinders. Put another cap in it and its doin it again and this has all been in the last three weeks. Can anyone suggest what wrong and what to do? Thankyou
Submitted: 1 year ago.
Category: Chevy
Expert:  Mike S. replied 1 year ago.

Why do you keep replacing the cap? is there something wrong with the ones you are taking off?

Customer: replied 1 year ago.
Well the one I replaced a week ago the centre thing was melted ...any way I can call u?
Expert:  Mike S. replied 1 year ago.

Try a new coil wire.

Mike S., Chevy Mechanic
Category: Chevy
Satisfied Customers: 5060
Experience: ASE Certified Master Technician
Mike S. and 3 other Chevy Specialists are ready to help you
Customer: replied 1 year ago.

How can one wire tell me a single cylinder is misfiring , I cant see that. We have power

Expert:  Mike S. replied 1 year ago.
This is an external coil isn't it with a coil wire to the center of the distributor cap?
Customer: replied 1 year ago.

I believe so.

Expert:  Mike S. replied 1 year ago.
Ok, I thought you said it got worse untill all cylinders were misfiring and also melting the center of the cap.
Expert:  Mike S. replied 1 year ago.
Unless you went with all brand new spark plug wires and a coil wire. Is this fuel -injected or carburetor?
Customer: replied 1 year ago.

Fuel injected,,,, im goin to put another cap on it now but it wont last only a week

Expert:  Mike S. replied 1 year ago.
Did you install all brand new spark plug wires and a coil wire?
Customer: replied 1 year ago.
Of coarse we did its a brand new motor. I have a new cap goin in now ..ill ride it out see what happens thanks
Expert:  Mike S. replied 1 year ago.
Ok, let me know if it still misfires on 4 or if all of them.
Customer: replied 1 year ago.
Will do. It runs beautiful now but only for a couple hundred kms so ill see what happens.
Expert:  Mike S. replied 1 year ago.

Ok, if it burns up that cap center again, change that coil wire even if it is brand new.

Customer: replied 1 year ago.
OK will do. Thanks for your input.
Expert:  Mike S. replied 1 year ago.
When we're done. We experts work hard and expect to get credit for our answers. When done, please click the "Rate to Finish" tab and then choose Ok Service, Good Service or Excellent Service.
Customer: replied 1 year ago.
Was a timing issue the distributer was out one tooth. Thanks for nothing. I don't want any offers please
Expert:  Mike S. replied 1 year ago.
ok

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