what would make 2002 dodge ram 1500 not rev over 2rpm
I had cylinder 6 and 8 miss fire I changed oil and filter and cap and rotor and wires and plugs.. but now truck will not rev over 2rpm will not go over 25 mph don't kno what else to do.. some one told me it was cadilac converter other said fuel pump
Could be right on both counts, I would have the exhaust system backpressure tested first, the reason is that you stated that you had a misfire on 6 and 8 it could have dumped enough raw fuel to overheat the catalysts and cause a melt down internally so your engine cannot get rid of exhaust efficiently. Exhaust pressure should run around 4 to 5 LBS.
Right on tennisshoe couldnt agree more. So glad to see quality answers. Judge roy would have said egr egr egr or clean your battery cables hes a broken record.
could also be the crankshaft position sensor. I had the same problem and I replace it and it worked just fine after
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