1997 Ford Aerostar ENGINE MISFIRE

Tiny
POKY
  • MEMBER
  • 1997 FORD AEROSTAR
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 160,000 MILES
Hello, my engine is a 3lt. Engine misses. Engine light is on. Code test indicates camshaft sensor. Replaced sensor. Engine ran smooth for a couple of miles then engine light came on and engine missed again. Rechecked, same code, camshaft sensor, replaced again. Same result, ran smooth for couple of miles then light on again and missfire. Thanks for your help.
Saturday, May 8th, 2010 AT 7:49 AM

1 Reply

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Engine running rough or misfiring can be cause by the following-inspect and test all the following below:
1. Defective spark plug.
2. Inadequate spark/coil, defective spark plug wire.
3. Lack of compression
4. False air leakage.
5. Faulty fuel injectors.
6. Insufficient fuel pressure.
7. Contaminated fuel.
8. EGR valve that is leaking.
9. Oxygen sensors.
10. Throttle position sensor.
11. Idle air control valve.
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Tuesday, May 11th, 2010 AT 8:55 AM

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