Coolant temp sensor problem (91 non turbo) - Saab 9000 Bulletin Board - Saabnet.com
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Coolant temp sensor problem (91 non turbo)
Posted by Keemosaabi [Email] (more from Keemosaabi) on Sat, 1 Nov 2003 10:57:14
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My cel was on with flashing 4 times code. Replaced cts and it was off for a bit, then intermittant, now it's pretty much on all the time flashing 4 times again. If I pull the plug off the cts while it's running, it starts to run rough. (can't take throttle w/o bogging down) This leads me to believe the wiring to the ecu is ok. I tested my old cts and it seemed to be working but I changed it because the cel was staying on. Now this new cts "appears" to not be working right. What gives?
Also, the car runs pretty good with the cel light on, but does have some slight hesitation at low rpm. I had this condition with the old cts but it got progressively worse until it was VERY bad hesitation. After I put in the new cts the cel was off for a couple of drives but it still ran like crap. I found a fouled #2 spark plug and replaced all four. Again, now it runs with just a little hesitation with the cel on.
TIA,
Dan
posted by 12.240.181...
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