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CODE 36..problem undiscovered help PLZ

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Old May 13, 2006 | 06:35 PM
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Default CODE 36..problem undiscovered help PLZ
replace all 3relays, replaced ecm. MAF IS GOOD,,no voltage @ maF-burn off relay term C&E, NO POWER ..leads me to believe fuselink... NOW WHERE IS THAT FUSE LINK LOCATED..$$^%^&*&*&*&? WHICH ONE ??????

CALLING CFI-EFI , I HAVE THE DIAGONOSIC TROUBLE SHOOTER GUIDE 63E-A-55
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Old May 13, 2006 | 07:16 PM
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Fuse link is behind the battery (bundle of red wires).
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Old May 13, 2006 | 08:18 PM
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Originally Posted by RRT vette
Fuse link is behind the battery (bundle of red wires).
which one? any ideas?
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Old May 13, 2006 | 09:42 PM
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There are several, get your ohm meter out and start checking them...You do have the FSMS...right???
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Old May 13, 2006 | 10:05 PM
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Originally Posted by rick lambert
There are several, get your ohm meter out and start checking them...You do have the FSMS...right???
yes,...ok gonna check fuse links.. but the burn offrelay energizes when the key is turn to start position.. i try again
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Old May 14, 2006 | 12:49 AM
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To eleminate the MAF as a problem just unplug it the car will run without it.
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Old May 14, 2006 | 11:00 AM
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Originally Posted by rick lambert
There are several, get your ohm meter out and start checking them...You do have the FSMS...right???
i checked evry fuse link connected to the + post just behind and below the battery.. each fuse link has 12volts measured on both side of the node...

maff burn off relay does enerzes when key is in start position. this indicates that relay has power from the fuse link line orn 340..to c&e of the relay..

now what?
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Old May 14, 2006 | 09:51 PM
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Originally Posted by korvette4u
i checked evry fuse link connected to the + post just behind and below the battery.. each fuse link has 12volts measured on both side of the node...

maff burn off relay does enerzes when key is in start position. this indicates that relay has power from the fuse link line orn 340..to c&e of the relay..

now what?
reset ecm...mometarily set code 34.. which is the Maff sensor.. reset ecm again.. start engine .. soon after.. new code.. CODE 36 again.. gonna run without maff F(&(()it..

checked voltage while engine running at the maff sensor,, using the center pin as ground,, two pins to the right are 5 volts each, to the left 2pins voltage varies,, this would be the sensing voltage. used by ecm to determine fuel ratio...it seems this circuit is working.. the code seems to set in open loop.. when engine cold no code until warm up
Last edited by korvette4u; May 14, 2006 at 09:59 PM.
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Old May 14, 2006 | 10:51 PM
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Are you sure the MAF is good? I know you have tested it in another vette. Also, have you cleaned the hot wires in the MAF?
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Old May 14, 2006 | 11:08 PM
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Originally Posted by RRT vette
Are you sure the MAF is good? I know you have tested it in another vette. Also, have you cleaned the hot wires in the MAF?
i have run the maff 89 in the other 87.. no codes in the 87.. .. no i did not clean it..both maff are good.
cleaning , do ya think it be senitive to cleaning
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Old May 14, 2006 | 11:15 PM
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I think you should check the harness connection to the MAF.
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Old May 15, 2006 | 12:19 AM
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Originally Posted by rick lambert
I think you should check the harness connection to the MAF.
i thinkin the same .. i do that tomorrow game nhl oiler 4- sj 3
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