My mate changed the belts and air filter and spark plugs and now it runs really rough and misses and jerks then comes good then after a while it will do it again when cruising at 80 or 100 it will run good then start to run rough and miss and jerks and then comes good for a while then does it all over again after a while when going through the gears it's really rough and jerks and misses until you get the revs up its worse when it's cold than when it's warm
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My best guesses would be:
A problem with the distributor cap or HT leads - since the spark plugs have been recently changed they could have been damaged if they were quite old and "ready to go" when they were moved.
-or-
A problem with fuel delivery eg. a simple part like a fuel pump/filter, or in a car that age it could be a carburettor problem. I used to have a 1990 Toyota and a carburettor problem eventually killed it off, but if I had my time again I'd spend longer investigating if it could be fixed.
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Is there any kind of check engine light on, or any other dashboard light on?
由 Drew Canada 完成的
Nah just runs rough it may be fuel filters i dont no if it has one or two then i got to locate them
由 scott taylor 完成的