C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

90 coupe - 6 sp.

Old 09-17-2013, 02:31 PM
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MZee
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Default 90 coupe - 6 sp.

Hi, how do I get rid of - ABS needs service and service engine soon lights,

neither is a problem but everytime I start the car, ABS light is on, occasionally the engine service lights up, at red lights etc.
Anyone in the car keeps asking- why don;t you get this looked at"?
Car runs beautifully otherwise.
MZee
Old 09-17-2013, 04:10 PM
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QZRBLU
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Originally Posted by MZee
Hi, how do I get rid of - ABS needs service and service engine soon lights,

neither is a problem but everytime I start the car, ABS light is on, occasionally the engine service lights up, at red lights etc.
Anyone in the car keeps asking- why don;t you get this looked at"?
Car runs beautifully otherwise.
MZee
You can remove the small lamps from their sockets in the Drivers Information Center OR you can check for trouble codes and repair the problems, your choice. If you can find a paper clip, bend it so you can short pin A to pin B in your ALDL connector below and to the right of the steering wheel. The SES lamp will flash your codes.
For the ABS Codes:

On the 1990 and 1991 model shorting pin "H" to pin "A" will cause the ABS light to flash ABS codes.

The pins are numbered with A at the top right F,E,D,C,B,A for the top row of pins and G,H,J,K,L,M on the bottom row.
Get back to us with your error codes.


Mick

Last edited by QZRBLU; 09-18-2013 at 12:07 PM.
Old 09-18-2013, 08:32 AM
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MZee
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Thanks, that;s alot of great info.
Happy I bought a one owner car, low mileage , don;t need to fix anything in general.

MZee
Old 09-19-2013, 09:23 PM
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ozzyrulesme
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My abs light came on in my 90. It was the right rear speed sensor. From what I seen it a common thing to go bad... They don't sell that part new anymore.. I found one on eBay and it took care of the light.
Old 09-20-2013, 12:45 PM
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MZee
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wel thanks, I may just live with it as I have no clue what and where that is.
I thought things over, actually happy with a C-4, a glass roof, change the sawblades , a frame tightening up , a roof squeek kit and I'm as good as new!
MZee
Old 09-20-2013, 02:03 PM
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QZRBLU
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Buy a Factory Service Manual and learn about your car.


Mick

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