Need some non-idi help
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Posting Guru
Joined: Jan 2010
Posts: 1,665
Likes: 4
From: Terre Haute, IN
Need some non-idi help
Got an 88 Mercury Grand Marquis. When you let off the accelerator (coasting to a stop and such) it dies.
The codes i got:
KOEO:54- Mid temperature switch is open constantly
82- Air diverter solenoid circuit fault
KOER: 91- O2 sensor always lean
I have no idea what the two KOEO codes mean. I'm sure it needs a tuneup, but could that be all that it needs?
Help please....this is my sisters car...
The codes i got:
KOEO:54- Mid temperature switch is open constantly
82- Air diverter solenoid circuit fault
KOER: 91- O2 sensor always lean
I have no idea what the two KOEO codes mean. I'm sure it needs a tuneup, but could that be all that it needs?
Help please....this is my sisters car...
Posting Guru
Joined: Feb 2011
Posts: 2,216
Likes: 0
From: Princeton MN
KOEO is key on engine off IIRC clean your iac motor its the bypass valve mounted on the throttle body, and check voltage at the circut, if you have a hayes manual for your 86 it should have some efi info in it with voltage readings and such.
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