Backfires

120,000 MILES • 2.9L • V6 • 4WD • MANUAL
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LYNN RAULSTON
  • MEMBER
  • 1 POST
When you first start it and give it throttle it wants to backfires.
Jan 3, 2019 at 8:45 PM
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ASEMASTER6371
  • ✓Experienced Mechanic
  • 52,796 POSTS
Good morning,

Backfires are the result of spark occurring when it should not be.

https://www.2carpros.com/articles/engine-backfires-while-running

Some possibilities

1. Cracked distributor cap or bad rotor.

2. Ignition wires shorting out.

3. Retarded ignition timing from bad timing chain.

4. Lean fuel mixture from low fuel pressure or clogged injectors.

Roy
Jan 3, 2019 at 9:04 PM
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