miss or buck

darren139

Registered User
:confused: my 90 xr7 sometimes bucks in 5th gear while doing around 55mph on highway can be driving for an hour and it will buck or miss once then fine
 
Your cam sensor could be on the way out. If the tach ever goes dead or you get a wavering idle which clears up by itself, its probably the cam sensor. They rarely throw a code.
 
Thanks for reading im just wondering sc have a very high gear for 5th and it happens usually when rpm is at 1500 in 5th about 55mph. anything under that i need to be in fourth or it seems to buck or miss the car is stock 100% and it never has backfired.it also drives funny with a/c on you can really feel the compressor kick in
 
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