Question about 1996 Saab 900
The check engine light is on and I took it to the shop, they told me that I needed a new front O2 Sensor. I am wondering if the front O2 sensor not working would make my car not want to start in the cold weather or if it sounds like it may be a starter or something else?
You need to do four things:
Replace the plugs and make sure they are the correct ones gapped dead on to spec (1 mm). Use lots of silicone dielectric grease in the plug boots when reinstalling the DIC over the plugs.
Check the DIC
Check the CPS (crankshaft position sensor).
My money is on the CPS. The car may or may not start and run with a failing CPS (which is maintenance part, meaning it will fail over time). This, and the DIC, are known failure parts. The CPS is located on the right front lower corner of the engine block and secured with a single Torx screw (T27 or 30 IIRC).
Finally, the fuel pump may be on its way out, but I hope not as it is expensive to correct. They are good for 100,00 to 120,000 miles.
Posted on Nov 25, 2008
What is a DIC
Posted on Nov 19, 2009
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Posted on Jan 02, 2017
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