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Old 09-30-2011, 09:09 PM   #1
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trouble codes

hey everybody a code came up on my diagnostics. the light flashed 4 times Then a pause. then 3 flashes. so it was 1-2-3-4 pause 1-2-3 .. I don't have code reader. could anyone give me some insight on what this means? it wud be greatly appreciated thanks guys.
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Old 09-30-2011, 09:23 PM   #2
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Code 43 is knock sensor circuit
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1995 Camaro 3.8 V6, 4L60E, 3.42 rear, T-top, HID's, C5's, aluminum driveshaft, Flowmaster 40
1995 C1500 5.7 V8 4L60E, 3.73 G80 rear, Chipped, Comp cam, TB spacer, Edelbrock intake, Hooker LT's w/ Flowmaster 40's, Trans Go kit, HID's, 15% tint
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Old 09-30-2011, 10:19 PM   #3
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How did you get 43 out of 1-2-3-4 / 1-2-3?
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96 T/A, Black/Graphite Leather, T-Tops, 6 speed, 10 speaker Delco/Bose "Monsoon"
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Total engine rebuild at 187,020 miles. AIR delete, bored .030 over.
Comp cams Xtreme Energy LT1 266HR-14 street cam and springs.
Custom leather interior at 190k miles.
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Old 09-30-2011, 10:31 PM   #4
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Obd1 gm diagnostics. Jump two terminals and the check engine light will flash in a sequence. Obd1 gm stuff is all two digit codes. It repeats each code three times then ends with a code 12 to let you know that was all the codes. All chiltons and Haynes manuals have the instructions for how to pull codes on the early model vehicles.
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1995 Camaro 3.8 V6, 4L60E, 3.42 rear, T-top, HID's, C5's, aluminum driveshaft, Flowmaster 40
1995 C1500 5.7 V8 4L60E, 3.73 G80 rear, Chipped, Comp cam, TB spacer, Edelbrock intake, Hooker LT's w/ Flowmaster 40's, Trans Go kit, HID's, 15% tint
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Old 09-30-2011, 10:54 PM   #5
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ohh yeah I grounded the terminal underneath the steering wheel. so u know that means code 43? my haynes book tells me it cud be a few things.
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Old 10-01-2011, 09:50 AM   #6
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Oh yeah, it's the last numbers in the sequence.
duh.
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96 T/A, Black/Graphite Leather, T-Tops, 6 speed, 10 speaker Delco/Bose "Monsoon"
Original owner, 193k miles and counting.
Total engine rebuild at 187,020 miles. AIR delete, bored .030 over.
Comp cams Xtreme Energy LT1 266HR-14 street cam and springs.
Custom leather interior at 190k miles.
In the paint shop now.
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Old 10-01-2011, 10:05 AM   #7
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I was looking at the wrong chart in my first post. The correct code 43 for your car is this

1982 - 1992 Code 43: Electronic Spark Control "Poor electrical connection, open or short in circuit; defective ESC module; defective knock sensor; defective ECM".
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1995 C1500 5.7 V8 4L60E, 3.73 G80 rear, Chipped, Comp cam, TB spacer, Edelbrock intake, Hooker LT's w/ Flowmaster 40's, Trans Go kit, HID's, 15% tint
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Old 10-01-2011, 10:15 AM   #8
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Are you getting any symptoms? Running rough, lack of power, misfires?

I'd start with checking the wiring and connection at the knock sensor.

I don't have access to my alldata here at the house but if you haven't figured it out by Monday I can get you the diagnostic flow chart for it once I'm back at the shop.

What year and engine is your car?
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1995 Camaro 3.8 V6, 4L60E, 3.42 rear, T-top, HID's, C5's, aluminum driveshaft, Flowmaster 40
1995 C1500 5.7 V8 4L60E, 3.73 G80 rear, Chipped, Comp cam, TB spacer, Edelbrock intake, Hooker LT's w/ Flowmaster 40's, Trans Go kit, HID's, 15% tint
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Old 10-01-2011, 12:35 PM   #9
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Quote:
Originally Posted by geenani View Post
hey everybody a code came up on my diagnostics. the light flashed 4 times Then a pause. then 3 flashes. so it was 1-2-3-4 pause 1-2-3 .. I don't have code reader. could anyone give me some insight on what this means? it wud be greatly appreciated thanks guys.
Besides the light what problems are you having with it or is it just the light?
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Old 10-01-2011, 01:04 PM   #10
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thanks for the help guys .. well I've been reading up on the symptoms and it feels like I wud be driving uphill but I'm not. and it feels like the car has asthma as one person put it. hesitation. I'm gna clean off the sensor today and inspect.

its a 1992 3.1L v6
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