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1985 Mercury Cougar 3.8L Poor Idle Quality
Posted to Ford Driveability on 1/5/2004 4 Replies

violent shake at idle, off idle ok, cruise ok, changed plugs wires cap and rotor, fuel pressure ok, removed egr and covered up holes no change, compression check ok 125 psi all around.

4 Replies Received (View Replies)

  Related Documents & Media  1985 Mercury Cougar

 
Message Closed w/FIX

car Vehicle Data

1985 Mercury Cougar

VIN 1MEBP9238F
Engine3.8 L / 6 cyl / GAS
Trans3-speed Automatic
DeliveryFI
SymptomsPoor Idle Quality
OccursAlways

Trouble Codes

31egr ckt out of range
33insuffient egr flow
41ego not switching lean exhaust bank one
43ego lean at wot
91o2 sensor not switching ss1 ct. fault
93ccc sol ss3 sol ckt fault
Message Closed w/FIX

car Vehicle Data

1985 Mercury Cougar

VIN 1MEBP9238F
Engine3.8 L / 6 cyl / GAS
Trans3-speed Automatic
DeliveryFI
SymptomsPoor Idle Quality
OccursAlways

Trouble Codes

31egr ckt out of range
33insuffient egr flow
41ego not switching lean exhaust bank one
43ego lean at wot
91o2 sensor not switching ss1 ct. fault
93ccc sol ss3 sol ckt fault