Misfire at low speed light acceleration 22r engine proffessionly rebuilt
The engine was rebuilt only has 23000 miles have replaced plugs and new plug wires and new dist cap It has a slight misfire at light acceleration but runs great at high speeds any suggestions firstname.lastname@example.org
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Could be a transmission problem or something as simple as bad spark plugs. The engine is under the most load when RPM is low and you are trying to accelerate, such as when it upshifts. You should have the computer checked for trouble codes and hopefully that will point you in the right direction to test. If the spark plugs have more than 50,000 miles of wear you might start with replacing them.
either you have a faulty gas pump, one or more spark plugs or cables ar going bad or nrrd to br replace, could be a vacuum leak too, yourcar have the check engine light on? if so, need to know what code the will help you a lot.
Misfires can be caused by worn or fouled spark plugs, a weak spark
(weak coil, bad spark plug wire), loss of compression, vacuum leaks,
anything that causes an unusually lean fuel mixture (lean misfire), an
EGR valve that is stuck open, dirty fuel injectors, low fuel pressure,
or even bad fuel.
A Random Misfire code usually indicates a vacuum leak or bad gas.
NOTE: If a misfire in a specific cylinder should lead you to check the spark plug, fuel injector and compression.