Car only works without water temperature sensor - Saab 9000 Bulletin Board - Saabnet.com
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Car only works without water temperature sensor
Posted by claudio neto [Email] (more from claudio neto) on Fri, 17 Feb 2006 12:39:41
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Hello,
As I posted earlier, my 91' 9kT developed a problem some weeks ago.
It runs badly, misfires, jerks and I can’t build up the revs after 3000rpm.
Here's a follow up.
After triple checking everything (AMM, FPR, fuel lines, fuel pump, vacuum lines, swapped DI with a good one, checked injectors one by one, new spark plugs, replaced engine coolant temperature sensor, etc) I put the car on a Saab dealership.
After they plug the Tech 2 to the car they got the code 429B0 and 38321.
They said that they couldn't relate them to the problem.
They checked everything again and found that the car run normally without the water temperature sensor connected to the engine block but plugged to the ECU. They replaced the sensor but the problem persists.
They can't explain why is that happening and are stumped. They suspect that could be an ECU problem but they're not sure. I'm facing a big bill without knowing if that is really an ECU problem.
If someone has any idea that could help me I appreciate.
Thanks in advance.
Claudio Neto
posted by 85.241.1...
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