V6Discussion and questions about the base carbureted or MPFI V6's and the rare SFI Turbo V6.
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I know that I'm getting too much fuel from somewhere. My scanner shows me running rich as my BLM is at 100 even at idle or on the road. Can't it be a combination of not enough air and low spark? I've got a new FPR but the injectors are still the old Multecs. More than likely, it the injectors that are giving me trouble. How do you check the color or your spark?
To check spark, pull a plug and disconnect your fuel injector harness at the front of the engine (by the thermostat housing). Find a way to ground the selected plug, and crank the engine over. Not white spark means it's time for new parts.
A number of things cause the code 45 (I'm assuming that's why you checked the BLM map). TPS, EGR, O2S and circuit readings, wrong fuel pressure, leaking/stuck fuel injector, clogged air filter, exhaust leak, etc.
__________________ Dan V.
Project Raven is on hold... She's a body shell with a rather large collection of parts. 1987 Pontiac Firebird, T-top, 1991 VIN T engine, getting MegaSquirted. 85 T-5 5-Speed manual trans. Hybrid 3100 V6 swap nearly complete, too much body work to do first . Restomod in progress. So many parts to replace, so little money .
Might be my CTS. It got down to around 45 degrees last night. My scanner said my startup temp. was 62 degrees. I got home last night around 7 pm and didn't start the car up till 4 am the next morning. Surely it would ahve cooled down by that time.
That says the sensor is screwy, but, if anything, you would be running lean. The engine requires more fuel when cold, not when warm.
__________________ Dan V.
Project Raven is on hold... She's a body shell with a rather large collection of parts. 1987 Pontiac Firebird, T-top, 1991 VIN T engine, getting MegaSquirted. 85 T-5 5-Speed manual trans. Hybrid 3100 V6 swap nearly complete, too much body work to do first . Restomod in progress. So many parts to replace, so little money .
. Restomod in progress. So many parts to replace, so little money 
