What make an engine run hot in only one cylinder?

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misfire code p-1345

Robbin74 in Commerce GA

Jul 6, 2013

1 Reply

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pushrodon Jul 6, 2013

All OBD II misfire codes are as follows, PO 300 to PO 308 for a V8! Why do you think it's overheating on one cylinder only? Do you mean misfire on only one cyl.?

Robbin74

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1 Reply

Popular Answer

pushrodon Jul 6, 2013

All OBD II misfire codes are as follows, PO 300 to PO 308 for a V8! Why do you think it's overheating on one cylinder only? Do you mean misfire on only one cyl.?

Robbin74

What are the best GMC repair shops?

RepairPal Certified shops can diagnose and repair your 1996 GMC C2500 Suburban. They provide transparent pricing with a minimum 12-month or 12,000-mile warranty on repairs and services.

Thanks for your response. The information on OBD-ll code is new to me I will recheck that. the reason for one cylinder running hot is just a feel. It looks like the heat off the engine is more pronounced to the rear of the engine (#7 cylinder). The temp. gauge reads normal along with oil pres. I am going to borrow an infrared eat gun to see more accurately. Could the rear main bearing? and if so is there any way to check without pulling oil pan?