SOURCE: hesitation , skipping,engine cuts out when accelerating
Bad coil they breakdown when the engine get hot. There is 3 coils total when it starts missing start pulling plu wires until you find the one that is not firing
SOURCE: surging and high idle on 94 silverado
If your idle is going from 500rpms to 1000rpm's fluctuating at and idle your EGR valve is probably carbon up and needs cleaned or replace.
SOURCE: I have a 1988 Chevy C3500 1 ton PU. Engine runs
if the truck has a locking converter goin bad it will surge at steady speeds such as 55 mph the converter will lock and unlock causing you to feel an surging
SOURCE: 1993 Lexus LS400 acceleration stalls or surges
I HAD THE SAME PROBLEM WITH MY CAR. 93 LS 400. THAT WOULD BE YOUR FUEL FILTER OR THE FUEL PUMP GOING BAD. TRY CHANGING THE FILTER FIRST. THE DEALER TRIED TO CHARGE ME $980 TO CHANGE FUEL PUMP.
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