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

hlmaynor
10

Asked by Jul 16, 2012 at 07:12 PM about the 1992 Buick Roadmaster 4 Dr Base Sedan

Question type: General

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

4 Answers

Andrew Olsen
12,385

Do a fuel pressure test, also which engine does your roadmaster have? 305? 350? TBI? or the LT1?

1 out of 1 people think this is helpful.
hlmaynor
10

350 dont no the other tbi or lt1

hlmaynor
10

anybody else got any ideas

1 out of 1 people think this is helpful.
Andrew Olsen
12,385

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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