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| Ramrod | C-4 Tech Needed, 40 Codes | ||
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Senior Guru
 
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1996 LT-1 can't pass smog certification, 2 "H" codes on the dash and 40 codes on my Zurich ZR 13 reader??? Any reputable C-4 techs in the 91763??
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Posted on: 2021/5/13 20:18
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1996 LT-1 DynaSpark Opti, Tapered Rear Wheel Bearings, SS Brake Lines, Speed Bleeders, MC Bias Spring, Hawk HPS Pads, MSD Wires,NGK Iridium, lowered, etc. |
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| Matatk | Re: C-4 Tech Needed, 40 Codes | ||
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Webmaster
 
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40 codes seems excessive. What are they? Could be an issue with the code reader. Was the battery dead recently? I'd clear the codes and see what comes back.
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Posted on: 2021/5/14 0:21
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2002 EBM convertible, Magnusson supercharger, cam, headers, etc. 1989 Corvette...RIP |
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| bogus | Re: C-4 Tech Needed, 40 Codes | ||
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Grand Imperial Pooh-Bah
 
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40 codes would imply a bad PCM... if it was true.
Reset and retest... and if you can, list the codes. The codes themselves are the value, not a vague "I have codes, what do they mean" comment. |
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Posted on: 2021/5/14 14:41
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The single biggest problem with communication is the illusion that it has taken place. - George Bernard Shaw Education is the best tool to overcome irrational fear. - me |
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| Ramrod | Re: C-4 Tech Needed, 40 Codes | ||
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Senior Guru
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Zurich ZR-13 reader Chevrolet OEM Enhanced, 40 DTC
P0100-(1/40) https://www.dmv.de.gov/VehicleServices ... ections/pdfs/dtc_list.pdf The 1-40 codes are listed on my reader, most conflict with another, high voltage vs low voltage, high temp vs low temp etc. I suspected a bad PCM or a bad ground? Long story longer I took it to a reputable mechanic in Claremont, Ca for smog certification, they recommended new injectors I said OK. About 4 days and $$$$ they can't figure it out and suggest I throw more parts at it to fix and still no smog certification. |
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Posted on: 2021/5/15 19:04
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1996 LT-1 DynaSpark Opti, Tapered Rear Wheel Bearings, SS Brake Lines, Speed Bleeders, MC Bias Spring, Hawk HPS Pads, MSD Wires,NGK Iridium, lowered, etc. |
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| bogus | Re: C-4 Tech Needed, 40 Codes | ||
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Grand Imperial Pooh-Bah
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well.... stop spending money.
1. test the alternator 2. what injectors did you get? 3. check grounds - the battery ground to chassis will corrode 4. check battery terminals 5. test the battery |
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Posted on: 2021/5/16 15:48
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The single biggest problem with communication is the illusion that it has taken place. - George Bernard Shaw Education is the best tool to overcome irrational fear. - me |
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| bogus | Re: C-4 Tech Needed, 40 Codes | ||
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Grand Imperial Pooh-Bah
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oh, how many miles?
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Posted on: 2021/5/16 15:53
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The single biggest problem with communication is the illusion that it has taken place. - George Bernard Shaw Education is the best tool to overcome irrational fear. - me |
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| Ramrod | Re: C-4 Tech Needed, 40 Codes | ||
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Senior Guru
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Ill give it a shot, im heading out for a few days and get on it then. Thanks for the suggestions.
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Posted on: 2021/5/16 18:19
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1996 LT-1 DynaSpark Opti, Tapered Rear Wheel Bearings, SS Brake Lines, Speed Bleeders, MC Bias Spring, Hawk HPS Pads, MSD Wires,NGK Iridium, lowered, etc. |
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| Ramrod | Re: C-4 Tech Needed, 40 Codes | ||
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Senior Guru
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one hundred and twenty thousand
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Posted on: 2021/5/16 18:21
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1996 LT-1 DynaSpark Opti, Tapered Rear Wheel Bearings, SS Brake Lines, Speed Bleeders, MC Bias Spring, Hawk HPS Pads, MSD Wires,NGK Iridium, lowered, etc. |
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| bogus | Re: C-4 Tech Needed, 40 Codes | ||
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Grand Imperial Pooh-Bah
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120k... check grounds around the battery.
These cannot be "real" codes, if so, the engine would run like absolute garbage. |
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Posted on: 2021/5/22 16:01
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The single biggest problem with communication is the illusion that it has taken place. - George Bernard Shaw Education is the best tool to overcome irrational fear. - me |
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