Engine light issue

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Jan 7, 2016 | 09:43 PM

rgreenwood

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Racer

Joined: Sep 2013

Posts: 278

Likes: 51

From: Chesapeake VA

Engine light issue

Engine light came on at 200 miles 2016 vehicle contacted ONSTAR who advised the problem was code P300. Took to dealer replaced spark plug wire. Two weeks later engine comes on twice just blinking for about 5-10 seconds each time during one drive. Took back to dealer and they say can't find an issue because shows no light every came on??

Jan 7, 2016 | 09:51 PM

robert miller

Team Owner

Joined: Jan 2007

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From: cookeville tennessee

ttt

Look at the ne plug wire again. For some reason it is getting loose are low volts from that plug wire r spark plus are coil. Number of problems on this from guys in here.

Jan 7, 2016 | 10:22 PM

rgreenwood

Thread Starter

Racer

Joined: Sep 2013

Posts: 278

Likes: 51

From: Chesapeake VA

Quote:

Originally Posted by robert miller

Look at the ne plug wire again. For some reason it is getting loose are low volts from that plug wire r spark plus are coil. Number of problems on this from guys in here.

. Thank you. Sounds like a good solution. Take care

Jan 8, 2016 | 01:06 PM

06MonteSS

Supporting Vendor

Joined: Aug 2007

Posts: 1,451

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From: CT

multiple misfire code.. check plugs, wires, coils, clean the MAF sensor.. check the plugs for cracked ceramic insulator - that could cause it too..

Jan 8, 2016 | 03:04 PM

rgreenwood

Thread Starter

Racer

Joined: Sep 2013

Posts: 278

Likes: 51

From: Chesapeake VA

Quote:

Originally Posted by 06MonteSS

multiple misfire code.. check plugs, wires, coils, clean the MAF sensor.. check the plugs for cracked ceramic insulator - that could cause it too..

Thanks. Will take back to dealer

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