1992 Volvo 740 Backfires Under Load Above 30 Mph Idles Fine Revs Normally

1992 VOLVO 740
180,000 MILES
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ANONYMOUS
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  • 1 POST
backfires under load, above 30 mph. idles fine. revs normally. fuel press. and timing okay.
Apr 1, 2013 at 4:12 PM
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ASEMASTER6371
  • ✓ASE Certified Mechanic
  • 52,796 POSTS
  • ASE Certified Mechanic
check plugs,wires and all for break down.... have injectors professionally cleaned.

start there

Roy
Apr 1, 2013 at 4:14 PM
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