Saab 9-5 Problem Report

Saab 9-5 Check Engine Light due to Electronic Throttle Body Failure

(19 reports)

The Check Engine Light may come on because the electronic throttle body has failed. Other symptoms include loss of acceleration, a high idle or failure to return to idle, and difficulty starting.

Started with erratic idle. Now car stalls and won't idle when initially started. Must keep foot on gas pedal. Light is on. Can't find replacement throttle body - out of stock everywhere. -
Started with just a slightly rough idle but then stalled while running but in park. Kept stalling no matter the gear unless I pushed the gas pedal and kept the RPMs above 1000. Seems worse when it is first started but still has trouble with a really hard idle even after warming up. It does have a bad thermostat that I'm getting replaced but that has been an issue for a while and it hasn't caused any problems so I don't see how it can be related. So far, I have no idea what could be the cause but I am going to see a mechanic in the morning that specializes in European cars. Last mechanic I went to said he thought it was the throttle body but wants me to see the specialist to be sure. -
3rd time replacing the throttle body -
At high speeds the motor would hesitate or miss badly. Replaced plugs, cleaned throttle body but still had problems. Replaced throttle body and no longer an issue. Expensive part but easy repair. -
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