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Showing results for tags '4.2l six'.
I am writing about my 1984 CJ7, 4.2 I6, manual trans with the Mopar fuel injection kit installed. The Jeep has been in storage for the last nine years and I am getting her going again. I had to do some engine work on it, but this is not the source of my problem. Since getting it running again (she runs well sitting still and accelerating under load) A peculiar problem has emerged. When I slow to come to a stop the engine dies and it is only when coming to a stop. Since it sat without running for so long, I have removed the fuel tank and cleaned, replace the sending unit and all hoses, ins
The great state of California and I once again disagree on how well my engine is running. Its an 82 CJ7 258ci with about 2500 miles since complete rebuild. Hesco MOPAR MPI kit added. And to me it seems to run great. But I failed smog due to high NO. All other tests (including HC and CO) passed. The strange thing is, the last time (two years ago) I passed no problem. Since then I have not made any changes. I did check faults and it was showing a code for the O2 sensor. Since I read that it is a common cause I thought I had my solution. Unfortunately when I went for a re-check it still did