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Why is my car backfiring?

Tiny
CHRISTINA_PAYNTER
  • MEMBER
  • 1993 MERCURY VILLAGER
  • 184,000 MILES
We have replaced catalytic converter, muffler, plugs, wires, oil, filters, distributer, rotor button, and checked all injectors. Check engine light has not come on. Nothing has changed. Still backfires once it is warmed up and drives only for three miles til it backfires to the poiunt it shuts off.
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Monday, October 3rd, 2011 AT 5:24 PM

2 Replies

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 108,192 POSTS
Have you checked the timing? Timing belt? This has an interferance engine which means if the timing belt breaks, you will end up with internal engine damage to the pistons and valves.
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Monday, October 3rd, 2011 AT 5:27 PM
Tiny
CHRISTINA_PAYNTER
  • MEMBER
  • 2 POSTS
We had it timed. They said the belt looked fine
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Monday, October 3rd, 2011 AT 5:29 PM

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