1986 Ford Ranger idle

Tiny
CHRISMCMAN@GMAIL.COM
  • 1986 FORD RANGER

Engine Performance problem
1986 Ford Ranger 4 cyl Two Wheel Drive Manual 100000 miles

wont idle, runs rich

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Tuesday, September 8th, 2009 AT 8:18 PM

1 Reply

Tiny
RASMATAZ
  • MEMBER

Running rich:

Could be caused by the following a bad O2 sensor, excessive fuel pressure (bad fuel pressure regulator or plugged return line), leaky fuel injectors, dirty air filter or restricted air inlet, or a defective coolant sensor that prevents the engine management system from going into closed loop mode.

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Tuesday, September 8th, 2009 AT 8:51 PM

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