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got a chipped p28 and a p72 for my h22a. The p28 throws the speed sensor code but the p72 does not??

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Old Mar 15, 2005 | 08:31 PM
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Default got a chipped p28 and a p72 for my h22a. The p28 throws the speed sensor code but the p72 does not??

Why would they read that differently?
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Old Mar 16, 2005 | 10:07 AM
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Default Re: got a chipped p28 and a p72 for my h22a. The p28 throws the speed sensor code but the p72 does n

Any ideas?
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Old Mar 16, 2005 | 11:54 AM
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From: Respek my Fresh
Default Re: got a chipped p28 and a p72 for my h22a. The p28 throws the speed sensor code but the p72 does n

I beleive the p72 VSS wire goes to D18 on your ecu pinout, and the p28 looks for it at B10. I'm not 100% on those locations though. Search for the pinouts and compare, or someone correct me if I'm wrong.
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Old Mar 16, 2005 | 01:00 PM
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Default Re: got a chipped p28 and a p72 for my h22a. The p28 throws the speed sensor code but the p72 does n

There is a wire in the b10 spot on my obd2-1 harness that was not connected, and the blue w/white wire coming from the VSS is going to the b10 spot so thats probably it. I sodered it on and as soon as I get a jump (battery is dead) Ill find out if thats it. There was no wire going to the d18 spot though and I didnt get a vss code with the p72, weird! Ill get back
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Old Mar 16, 2005 | 05:37 PM
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Default Re: got a chipped p28 and a p72 for my h22a. The p28 throws the speed sensor code but the p72 does n

Dude, your a life saver. It was a wire that was not connected. Its rnning great, thanx.
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