LQ4/ 1995 Impala SS Problems

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Sep 20, 2008 | 08:47 PM

#21

12SEC SS

Launching!

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From: Brooklyn, NY

The speed signal is the same, im running 411PCM and Z28 cluster in my car.

Sep 20, 2008 | 09:41 PM

#22

Mike454SS

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From: South Windsor, CT

Quote:

Originally Posted by GA95DCMSS

I don't really have any access to propane out here lol so I'll have to try and find a substitute. What else can I use? Well I saw that my exhaust clamps were loose, and I was talking to the guy that put in my O2s and he said something about dropping one in a pan of tranny fluid!!! Would that kill an O2 sensor?

I use the propane torch from home depot...it doesn't cost much at all, and new small cylinders for it are like 3 or 4 dollars...just make sure to blow the flame out before you aim it at the car.

Sep 20, 2008 | 11:24 PM

#23

GA95DCMSS

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From: SC

Quote:

Originally Posted by 12SEC SS

The speed signal is the same, im running 411PCM and Z28 cluster in my car.

I knew you'd come by sooner or later lol. I don't remember what PCM I'm running, but its out of a 2004 Yukon.

If the PCM was programmed for a 58x crank reluctor, instead of a 24x reluctor, could that cause the idle issue? Maybe the engine is expecting to get X number of pulses from the Crank Pos Sensor, and is only getting 1/2 that. IDK lol. I'm reaching in the dark now.

I'll try to find some propane. I think we may have some at the shop, but won't be able to test it without a new PS Pump (DAMNIT!!!!!)

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