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Engine Performance

Tiny
PETER BREVARD
  • MEMBER
  • 1993 FORD EXPLORER
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 100,000 MILES
I have a 93 Ford Explorer Sport, and it is missing, idleing ruff, temp gage goes up and down, poor power.
when temp gage goes up, car begins to excelerate.
Wednesday, March 23rd, 2011 AT 2:50 AM

4 Replies

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Check and test the engine coolant temperature sensor also go here :

Engine running rough or misfiring can be cause by the following:

https://www.2carpros.com/articles/engine-misfires-or-runs-rough

1.Defective spark plugs

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.Manifold absolute pressure sensor

12.Mass Airflow Sensor

13.Idle air control valve

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Wednesday, March 23rd, 2011 AT 3:16 AM
Tiny
PETER BREVARD
  • MEMBER
  • 3 POSTS
Thanks,
Also can smell antifreeze inside of car.
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Wednesday, March 23rd, 2011 AT 3:49 AM
Tiny
PETER BREVARD
  • MEMBER
  • 3 POSTS
I smell antifreeze inside of car, Temperature gauage not working correctly, car produces power when gauge is inbetween hot and cold.
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Wednesday, March 23rd, 2011 AT 4:06 AM
Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
If you're smelling antifreeze inside - the heater core is leaking
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Wednesday, March 23rd, 2011 AT 4:16 AM

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