Missfire cylinder #2
#1
Missfire cylinder #2
Hi guys,
I'm a new member, just purchased 96 Ram 1500 with 5.9, engine light is on runs a little rough at idle most of the time, sometimes it idles pretty smooth. Did a diagnostic at Pep Boys and it showed a code that said misfire cylinder #2. We had the "Master tech " diagnose the problem and he said he though it was a valve not opening or closing correctly. The truck runs great under acceleration and idles pretty smooth sometimes and much rougher at others. Please give me your thoughts??
Thanks!
I'm a new member, just purchased 96 Ram 1500 with 5.9, engine light is on runs a little rough at idle most of the time, sometimes it idles pretty smooth. Did a diagnostic at Pep Boys and it showed a code that said misfire cylinder #2. We had the "Master tech " diagnose the problem and he said he though it was a valve not opening or closing correctly. The truck runs great under acceleration and idles pretty smooth sometimes and much rougher at others. Please give me your thoughts??
Thanks!
#2
You should do a compression test. How old are the plug wires? Try routing them according to this TSB. http://dodgeram.info/tsb/1998/18-48-98/18-48-98-v8.htm
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#9
Ok I had the fuel injection system cleaned at the local shop, still runs the same...sometimes smooth and sometimes rough at idle. p0302 and p0300 misfire cylinder 2 and multiple misfires
I double checked plug wires per tsb cleared the codes and ran it on the highway for a little over an hour to let the monitors reset. When I got off the freeway it idled smooth at a few of the stop lights. It runs like a dream past idle, no codes popped and the idle was much smoother. I started it up to move it out of the driveway and it was running rough again popped the p0302. I have saw a lot of chatter on the plenum gasket I'm wondering if that could be the cause of this can of worms??
FYI I rented a compression tester from the parts house it it was junk, it leaked and I couldn't get accurate readings from any of the cylinders. I will have to get another one after the holiday. HELP!!!
I double checked plug wires per tsb cleared the codes and ran it on the highway for a little over an hour to let the monitors reset. When I got off the freeway it idled smooth at a few of the stop lights. It runs like a dream past idle, no codes popped and the idle was much smoother. I started it up to move it out of the driveway and it was running rough again popped the p0302. I have saw a lot of chatter on the plenum gasket I'm wondering if that could be the cause of this can of worms??
FYI I rented a compression tester from the parts house it it was junk, it leaked and I couldn't get accurate readings from any of the cylinders. I will have to get another one after the holiday. HELP!!!
#10
Ok I had the fuel injection system cleaned at the local shop, still runs the same...sometimes smooth and sometimes rough at idle. p0302 and p0300 misfire cylinder 2 and multiple misfires
I double checked plug wires per tsb cleared the codes and ran it on the highway for a little over an hour to let the monitors reset. When I got off the freeway it idled smooth at a few of the stop lights. It runs like a dream past idle, no codes popped and the idle was much smoother. I started it up to move it out of the driveway and it was running rough again popped the p0302. I have saw a lot of chatter on the plenum gasket I'm wondering if that could be the cause of this can of worms??
FYI I rented a compression tester from the parts house it it was junk, it leaked and I couldn't get accurate readings from any of the cylinders. I will have to get another one after the holiday. HELP!!!
I double checked plug wires per tsb cleared the codes and ran it on the highway for a little over an hour to let the monitors reset. When I got off the freeway it idled smooth at a few of the stop lights. It runs like a dream past idle, no codes popped and the idle was much smoother. I started it up to move it out of the driveway and it was running rough again popped the p0302. I have saw a lot of chatter on the plenum gasket I'm wondering if that could be the cause of this can of worms??
FYI I rented a compression tester from the parts house it it was junk, it leaked and I couldn't get accurate readings from any of the cylinders. I will have to get another one after the holiday. HELP!!!
Yes, the plenum can be the cause, the cat may be getting clogged.