
1985 Mercury Cougar 3.8L Poor Idle Quality
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.
FIX posted 1/10/2004
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Message Closed w/FIX
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VIN | 1MEBP9238F |
Engine | 3.8 L / 6 cyl / GAS |
Trans | 3-speed Automatic |
Delivery | FI |
Symptoms | Poor Idle Quality |
Occurs | Always |
Trouble Codes
31 | egr ckt out of range |
33 | insuffient egr flow |
41 | ego not switching lean exhaust bank one |
43 | ego lean at wot |
91 | o2 sensor not switching ss1 ct. fault |
93 | ccc sol ss3 sol ckt fault |
Message Closed w/FIX
Vehicle Data
1985 Mercury Cougar
VIN | 1MEBP9238F |
Engine | 3.8 L / 6 cyl / GAS |
Trans | 3-speed Automatic |
Delivery | FI |
Symptoms | Poor Idle Quality |
Occurs | Always |
Trouble Codes
31 | egr ckt out of range |
33 | insuffient egr flow |
41 | ego not switching lean exhaust bank one |
43 | ego lean at wot |
91 | o2 sensor not switching ss1 ct. fault |
93 | ccc sol ss3 sol ckt fault |