Join Date: Jan 2008
Location: Colorado Springs, CO
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Cylinder 8 failed contrib test, but buzz test passed...
2002 7.3L, 4x4, 260xxx miles. AFAIK, the injectors are still origional. I ran the buzz and contrib. tests with Autoenginuity. On the buzz test everything sounds consistant, all eight injectors buzzed. I'm not getting any smoke on startup, engine seems to be running fine. However on the contrib test 8 came up with a P0284.
My question is what are the next steps to examine what is happening with cyl. #8? On the PERDELS live data cyl. eight is showing 3.8-4.5. Could any damage be caused by driving it? There are two other error codes: B1203 fuel sender circuit short and P0500 vehicle speed idle control and aux inputs.
I'm planning on changing filters/oil/tranny fluid, etc this weekend. Any thoughts/tips?