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1991 Buick Skylark Car spits through intake

Tiny
DANA KING
  • MEMBER
  • 1991 BUICK SKYLARK
  • 4 CYL
  • FWD
  • AUTOMATIC
  • 140,000 MILES
Car will turn over but then it backfires through intake. We have checked timing, catalytic converter was clear, ignition module was ok, coil packs were fine, ran scanner and nothing showed. Any other ideas?
Tuesday, January 8th, 2008 AT 9:53 PM

1 Reply

Tiny
MHPAUTOS
  • MECHANIC
  • 31,937 POSTS
Hi there,

Check for a cross firing lead, if they are bundled they my be leaking voltage.

Mark (mhpautos)
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Tuesday, January 8th, 2008 AT 10:09 PM

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