92 buick roadmaster 90.000 miles runs great then started missing when accelerated not a bad miss just a sputtering changed the fuel filter no help gas cap builds up preasure but ran with no gas cap no
changed the fuel filter no help gas cap builds up preasure when run for a few miles ran with no cap no help checked wires at night no arking i could see plugs and wire and dist cap all about 20000 miles check engine light not on
Do a fuel pressure test, also which engine does your roadmaster have? 305? 350? TBI? or the LT1?
350 dont no the other tbi or lt1
anybody else got any ideas
The TBI will have a large air cleaner on the top. The LT1 does not. Along with a fuel pressure test, try checking the timing. It may be off a little.
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