i have an 86 olds cutlass 305 engine misses under load .what could be the cause of this?

Asked by Aug 03, 2013 at 11:52 AM about the 1986 Oldsmobile Cutlass Supreme

Question type: Maintenance & Repair

i changed fuel filtr, plugs wires but it still misses under load

4 Answers

7,245

Fuel pump?

1 people found this helpful.

fuel pressure regulator~

1 people found this helpful.
70

Seen this before, not fuel if does not miss going fast. I cured this on x2 GMC vehicles after replacing ignition coils. also if the coil is mounted behind Carburator it may be aching when the load encreases and the coil arcs internally as the voltage needed to develope spark encreases and finds a shorter, easier path encluding the high voltage wires. buy a new coil and wire set and remove wires and install new, one at a time. sgn. Tomtronics..... the Ole Master Chief usn ret

2 people found this helpful.
Best Answer Mark helpful
70

Please advise your results. Thats how we all learn.

3 people found this helpful.

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