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Ron Z., - Cadillac Tech -
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Experience:  18+yrs experience. State Inspector and Cadillac Diagnostics
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cadillac dts: 4.6l, code p0305 cyl#5 misfire..cylinder

Resolved Question:

06 cadillac dts 4.6l, code p0305 cyl#5 misfire, which is cylinder number 5 and any pointers please
Submitted: 2 years ago.
Category: Cadillac
Expert:  Ron Z. replied 2 years ago.

Welcome! I'm Ron Z! I will do my best to answer all of your questions. For easy access to this thread, bookmark it now! Please read everything!


Cyinder #5 is on the side of the engine closest to the windshield, 3rd one from the passenger's side (see image below). There are a few things that can cause a single-cylinder misfire: a faulty spark plug, a faulty ignition coil, a faulty fuel injector, an air intake leak around the affected cylinder, low cylinder comrpession, etc. The most common will be a faulty plug or ignition coil, so this would be the best place to start.

graphic

graphic

Ron Z., - Cadillac Tech -
Category: Cadillac
Satisfied Customers: 14343
Experience: 18+yrs experience. State Inspector and Cadillac Diagnostics
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