Hi,
I need some help here.
Driving with cruise set at 74mph. Hit the gas and the engine begins misfiring around 80mph. Let off the gas and cruise control speed goes to 78. Come to a grade that usually make no difference and the car slows to 72 to make it. Get over the top and speed goes up to 76 before settling back to 74. Normally my speed stays within .5mph of the set speed.
engine breaking up at high speed. Doesn't seem to matter the gear or rpm.
I changed my plugs and even my coils.
Any thoughts?
I need some help here.
Driving with cruise set at 74mph. Hit the gas and the engine begins misfiring around 80mph. Let off the gas and cruise control speed goes to 78. Come to a grade that usually make no difference and the car slows to 72 to make it. Get over the top and speed goes up to 76 before settling back to 74. Normally my speed stays within .5mph of the set speed.
engine breaking up at high speed. Doesn't seem to matter the gear or rpm.
I changed my plugs and even my coils.
Any thoughts?
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