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#1 |
Registered Member
Join Date: Nov 2001
Location: Daly City CA USA baby
Posts: 42
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![]() hey guys , i put on an off road h-pipe and since then the check engine light has been appearing on my dash , i have an 89 gt with about 150,000 miles on it. about 2000 miles ago i gave it a complete tune up , cap rotor , wires plugs and timing. i didnt use the best quality parts when i tuned her up. why do you think the engine light is coming on? any help is aprecitated.
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#2 |
The Dude
Join Date: Feb 2001
Location: Arlington, VA
Posts: 1,262
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![]() Probably bad oxygen sensors. Is it on all the time?
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#3 |
Junior Member
Join Date: Mar 1999
Location: Ventura, California
Posts: 8,981
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![]() Check and see what the codes are.
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Webmaster: Rice Haters Club Jim Porter Racing Peckerwoods Pit Stop Support Your Local
RED & WHITE! |
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#4 |
Registered Member
Join Date: Nov 2001
Location: SanAntonio, Tx
Posts: 734
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![]() 02 sensor, replace them, or take them out and clean them, but replace if you can, afterwards reset the computer, or else the computer wont find the fix.
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Police package 5spd 90 Lx, Stock original motor, 3.27grs, BM fan, fms 10.5 clutch, D&D quadrant, and adjuster, ADS chip, 180 stat, mac cai, mac h-pipe, mac subframe connectors, ASP crank pulley, ripper shifter, 26x10.5 M/T sport pros welds. 246 hp according to analyzer ![]() Race weight: 3,120 E.t-13.57 with 26x10.50's e.t. streets. 1.88 60' mph- 99.92 mph |
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#5 |
Registered Member
Join Date: Nov 2001
Location: Daly City CA USA baby
Posts: 42
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![]() Thanks for the replies man, i was just wondering how i can go about resting the computer, ive never done it before and i was wondering if you could break it down for me , by the way the light isnt on all the time, it comes on periodicly , like on for a couple of seconds then off. thank guys for helpin me out.
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#6 |
Registered Member
Join Date: Nov 2001
Location: Daly City CA USA baby
Posts: 42
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![]() ???
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#7 |
Junior Member
Join Date: Mar 1999
Location: Ventura, California
Posts: 8,981
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![]() If you mean resetting the computer, you should pull the codes first. The easiest way to reset the ECM is to disconnect the negative battery cable, and while it's disconnected, turn on the headlight switch for 15 seconds. This will make sure that any/all capacitors are discharged. Then reconnect the battery cable.
Take care, -Chris
__________________
Webmaster: Rice Haters Club Jim Porter Racing Peckerwoods Pit Stop Support Your Local
RED & WHITE! |
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