Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
1994 Chrysler LHSFACTORY OEM SERVICE PROCEDURE
Trouble Shooting: Backfiring
- Ensure ignition timing is correct.
- Ensure timing belt/chain has not jumped.
- Check distributor (if applicable).
- Check for gasoline in oil.
- Ensure fuel injectors are not leaking.
- Check spark plugs and plug wires.
- Check distributor cap and rotor (if applicable).
- Check ignition and coil circuit.
- Check crank and cam sensors (DIS system).
- Check throttle switch and connector.
- Check exhaust system.
Factory Service Tools
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Disclosure: Verified tool recommendations may earn an affiliate commission at no cost to you.
When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.