I recently changed out my A/C compressor. After I finished my transmission makes like a clunk when it shifts gears. I'm getting a IAT (Intake Air Temp) Sensor code, saying that it could be a bad sensor, faulty wire, or bad connection. Was wondering if anyone had any insight into this?
Transmission problems on 2001 Saturn L200
by rj2029x in Stafford, VA on August 07, 2009
ANSWER by dandd on August 07, 2009
Is the sensor still plugged in properly? it could have been knocked out during the A/C work. Can't really say about the trans problem, maybe the extra load ( from the A/C compressor ) is effecting the shifting. Best of Luck!
ANSWER by Visitor on April 23, 2010
IAT is intake air temp sensor/plugs into air snorkle right after air filter bofore getting to throttle body/has tendency for broken wire right at sensor connector.
ANSWER by steveP1 on November 03, 2012
I had this problem of shifting hard after i worked on the car. I left the vacuum hose off the air intake /filter housing. I reattached it and the shifdting returned to normal.
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