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OB2 - OBD1 question

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Old Feb 5, 2006 | 04:40 PM
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96m6lt1's Avatar
96m6lt1
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From: las vegas
OB2 - OBD1 question
since obd2 has a crank position sensor and the obd1 does not what if any function does the (CPS) have, is it deleted via obd1?
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Old Feb 5, 2006 | 07:50 PM
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Dave89IROC
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Re: OB2 - OBD1 question
it plugs the hole in the timing cover..........
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Old Feb 5, 2006 | 07:55 PM
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96m6lt1
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Re: OB2 - OBD1 question
so it really does not matter anymore if i convert to obd1 pcm
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Old Feb 5, 2006 | 08:05 PM
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Re: OB2 - OBD1 question
Misfire detection is waht I was told.
OBDI does not support it, and I dont have one on my car.
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Old Feb 5, 2006 | 09:10 PM
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Re: OB2 - OBD1 question
Originally Posted by 96m6lt1
so it really does not matter anymore if i convert to obd1 pcm
There is no provision in the OBD-I PCM to monitor the CPS, so it never knows there is one.
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Old Feb 6, 2006 | 02:20 PM
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96m6lt1
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Re: OB2 - OBD1 question
cool thanks for the info guys..
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Old Feb 6, 2006 | 10:47 PM
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Dave '97 Z28 M6's Avatar
Dave '97 Z28 M6
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Re: OB2 - OBD1 question
Birdman is right... the CPS is used only for misfire detection, in OBDII.
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