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05-29-2008, 11:36 PM
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#1
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Join Date: Oct 2004
Location: Gibbstown, NJ
Posts: 426
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Getting a new code...
In my 00 ws6. Its a P0200 code. It says Injector Circut Failure. Now I always thought it gave you a # like 4 or 7 for which injector it was for example P0204. But I'm lost as hell with this one. My car has the service engine light come on, than it started FLASHING and my car pretty much fell on it face(by the way in the middle of rush hour) and was idling literally at 200-300 RPM. Any ideas, or do I just change all the injectors?
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2000 Trans Am WS6 - CAMMED & SLAMMED sitting on 18 Z06 wheels.
362 RWHP / 358RWTQ
2007 Trailblazer SS - 1 baby seat 
Last edited by chemicalstylez; 05-29-2008 at 11:38 PM.
Reason: spelling ftw
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05-30-2008, 07:34 AM
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#2
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Join Date: Mar 2007
Location: NJ
Posts: 540
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The chart for P0200 says to find which cylinder is misfiring first, then test the injector harness for that cylinder (short to ground/power or open) then with a noid lamp. If the noid lamp flashes while installed on the faulty injector circuit the chart moves towards injector replacement.
Also, There are 2 fuses. One for the odd bank and the other is for the even bank. They should be labeled Inj1 and Inj2. The injectors should have voltage when the key is on and then the PCM controls the ground circuit to pulse the injectors.
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05-30-2008, 11:36 PM
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#3
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Meet Coordinator
Join Date: Jan 2008
Location: brick/pt. pleasant beach
Posts: 19,366
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your check engine light flashes when your exhaust temp is so high, damage to the catalyst can occur so engine power is cut down to a minimum. steve pretty much nailed the diagnostics, but i could get you a step by step tree if you are still having trouble...
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06-10-2008, 11:23 AM
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#4
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Join Date: Oct 2004
Location: Gibbstown, NJ
Posts: 426
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Its coming from cylinder 7. Just gonna wait till its not so damn hot out till I fix it lol.
__________________
2000 Trans Am WS6 - CAMMED & SLAMMED sitting on 18 Z06 wheels.
362 RWHP / 358RWTQ
2007 Trailblazer SS - 1 baby seat
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06-10-2008, 08:15 PM
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#5
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Meet Coordinator
Join Date: Jan 2008
Location: brick/pt. pleasant beach
Posts: 19,366
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sounds like a bad/leaky injector
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06-11-2008, 02:56 AM
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#6
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Join Date: Apr 2008
Location: Delran
Posts: 6,785
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noid lights are awesome stuff
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06-11-2008, 02:58 PM
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#7
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Join Date: Oct 2004
Location: Gibbstown, NJ
Posts: 426
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Quote:
Originally Posted by sweetbmxrider
sounds like a bad/leaky injector
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Yea after I found it what it was, my friend came home from vacation and scanned it too. It was throwing a P0307 which is cylinder 7, so I did it right  . And the P0200 was triggered by the P0307. Maybe I should just replace all the injectors eh?
Also found out that my high flow cats dont work either LOL. Its throwing 4 cats codes too !!
__________________
2000 Trans Am WS6 - CAMMED & SLAMMED sitting on 18 Z06 wheels.
362 RWHP / 358RWTQ
2007 Trailblazer SS - 1 baby seat
Last edited by chemicalstylez; 06-11-2008 at 03:00 PM.
Reason: spelling
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06-11-2008, 03:06 PM
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#8
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Meet Coordinator
Join Date: Jan 2008
Location: brick/pt. pleasant beach
Posts: 19,366
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cat efficiency below threshold and what not? honestly, if you are in there doing one, might as well do em all. they have all been in there the same amount of time and have seen about the same amount of operation. as far as the cats though, thats kinda beat. get oem style?
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06-11-2008, 03:13 PM
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#9
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Join Date: Oct 2004
Location: Gibbstown, NJ
Posts: 426
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Quote:
Originally Posted by sweetbmxrider
cat efficiency below threshold and what not? honestly, if you are in there doing one, might as well do em all. they have all been in there the same amount of time and have seen about the same amount of operation. as far as the cats though, thats kinda beat. get oem style?
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Can't remember what the codes were exactly, but they were all cat related. The cats came with my american racing longtubes. They were pretty damn small. As for the injectors I'd bet they are the stock ones. I bought it with 42k miles and its up to 71k now. So I will be changing all of them no doubt.
__________________
2000 Trans Am WS6 - CAMMED & SLAMMED sitting on 18 Z06 wheels.
362 RWHP / 358RWTQ
2007 Trailblazer SS - 1 baby seat
Last edited by chemicalstylez; 06-11-2008 at 03:14 PM.
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06-17-2008, 02:01 AM
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#10
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2007 Member of the Year
Join Date: Oct 2004
Location: Seabrook, TX
Posts: 14,281
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Quote:
Originally Posted by sweetbmxrider
your check engine light flashes when your exhaust temp is so high, damage to the catalyst can occur so engine power is cut down to a minimum. steve pretty much nailed the diagnostics, but i could get you a step by step tree if you are still having trouble...
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Light flashes for misfires
__________________
WF=DF
Kommandant of the ACL (Anti Canadian League)
Quote:
Originally Posted by LTb1ow
Junk the pos, spend the money on beer, acquire headache.
Same result cept this headache doesnt last months.
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06-17-2008, 06:08 AM
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#11
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12 Second Club
Join Date: Sep 2004
Location: Vineland
Posts: 928
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Quote:
Originally Posted by Savage_Messiah
Light flashes for misfires
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this man speaks truth.
These cars dont have an EGT sensor.
light flashes for a catalyst damaging misfire...aka raw fuel being dumped into the exhaust. Fuel inside cat = melted cat...
__________________
87 iroc with the usual go fast stuff
heavier than your half ton.
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06-17-2008, 04:35 PM
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#12
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Meet Coordinator
Join Date: Jan 2008
Location: brick/pt. pleasant beach
Posts: 19,366
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the light doesn't flash for any misfire, only ones that damage the cat so the engine power is reduced. but yeah thats true with the egt.
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