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Old 10-05-2012, 08:40 AM   #1
Bob88
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Help with code 36

Got a code 36 for a bad or failing mass air flow sensor, problem is there are no symptoms other than when I initially start the car when its cold, the idle drops way down and stumbles for a second or two then returns to normal. Car runs fine after that, no problems with acceleration and starts are normal. Any thoughts appreciated. Thanks.

Bob
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Old 10-05-2012, 01:08 PM   #2
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It's the relays by the battery. Mine used to do that too.
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Old 10-07-2012, 08:17 AM   #3
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It's the relays by the battery. Mine used to do that too.
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Old 11-30-2012, 01:25 PM   #4
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Is there any way to test them to tell if they are bad???
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Your Proctologist called, he found your head.

"My dog Minton ate two shuttlecocks yesterday."
"Bad Minton."



Open air box, K & N, Throttle body bypass, Air Foil, AFPR. Brodix heads, Harland Sharp 1.6 roller rockers, Lingenfelter cam, Superram, 2800 stall torque converter, 3:54 rear, Melrose exhaust system, long tube headers, 3" high flow cats, LT1 mufflers. ZR1 rims 17 x 9.5 front with 275's and 17 x 11 rear with 315's
Old 11-30-2012, 02:51 PM   #5
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http://forum.grumpysperformance.com/...w+sensor#p9217

http://forum.grumpysperformance.com/...w+sensor#p6336
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Old 11-30-2012, 04:09 PM   #6
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Old 11-30-2012, 04:39 PM   #7
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1988 Competition Yellow convertible

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Your Proctologist called, he found your head.

"My dog Minton ate two shuttlecocks yesterday."
"Bad Minton."



Open air box, K & N, Throttle body bypass, Air Foil, AFPR. Brodix heads, Harland Sharp 1.6 roller rockers, Lingenfelter cam, Superram, 2800 stall torque converter, 3:54 rear, Melrose exhaust system, long tube headers, 3" high flow cats, LT1 mufflers. ZR1 rims 17 x 9.5 front with 275's and 17 x 11 rear with 315's
Old 11-30-2012, 08:01 PM   #8
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Quote:
Originally Posted by Bob88 View Post
Got a code 36 for a bad or failing mass air flow sensor,
The MAF burnoff relay ; not the MAF sensor
MAF faults are DTC 33 and 34

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Is there any way to test them to tell if they are bad???
http://www.chevythunder.com/maf_code_36.htm
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Old 12-01-2012, 07:10 AM   #9
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Quote:
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Is there any way to test them to tell if they are bad???
IIRC the MAF relays and fan relays are the same so you could pull the fan relays and swap them then start the car and see if the same symptoms are there. If gone then replace. The other way is to use a VOM and probe for output. They are fairly cheap. I usually replace all when one goes bad, Quick and easy to replace when compared to the downtime and inconvience to fix one at a time. If one goes bad then the others are usually not far behind. 20 + years on a relay isnt too bad imo.
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