bad coil
Fleet Owner
Joined: Aug 2010
Posts: 21,255
Likes: 1,657
From: Reynoldsburg, Ohio
Start engine, unplug each COP individually until this action yields no change.
Depending on which scanner you're using it should read a pending code for the misfire. Even though the CEL or MIL hasn't yet been triggered there shoujld be a readable code anyway.
Recently mine showed a misfire in the first 200 RPM's after ignition.
HTH
Depending on which scanner you're using it should read a pending code for the misfire. Even though the CEL or MIL hasn't yet been triggered there shoujld be a readable code anyway.
Recently mine showed a misfire in the first 200 RPM's after ignition.
HTH
Hotshot
Joined: Jan 2004
Posts: 19,768
Likes: 1,082
From: St Louis
Start engine, unplug each COP individually until this action yields no change.
Depending on which scanner you're using it should read a pending code for the misfire. Even though the CEL or MIL hasn't yet been triggered there shoujld be a readable code anyway.
Recently mine showed a misfire in the first 200 RPM's after ignition.
Depending on which scanner you're using it should read a pending code for the misfire. Even though the CEL or MIL hasn't yet been triggered there shoujld be a readable code anyway.
Recently mine showed a misfire in the first 200 RPM's after ignition.
You will have to read the Mode 6 misfire count data.
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