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#1
04-16-2007, 07:57 PM
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96 eclipse rs backfire when gave gas
i just bought a 96 eclipse rs 2.0 non turbo auto trans. it needed a ecm and a crank sensor. cranked up and ran great at idle but when u give it the gas it fired out exh at 2500 rpm. i cut the cat. off and straight piped. but still fired out exh at high rpm. put on snap on computer and no codes. replaced ngk plugs with new ngks.still getting fire out exh. this car is pissing me off to much electronics. someone help!!!anyone!!!!!
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91 s10 400 (484/494 cam)1.6 roller rocker,typhoon intake,800 cfm thunder avs carb,250 shot nos,5 speed,tubbed rearend w/ drags....chromed down  2 10in memphis hpo in a reg cab
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#2
04-16-2007, 08:29 PM
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Re: 96 eclipse rs backfire when gave gas
Dude, I asked you if you had a CEL (Check Engine Light) in your previous thread. Please, do NOT make duplicate threads on the same problem.
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95 Talon TSI AWD 97 Eclipse GST 
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#3
04-16-2007, 09:01 PM
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Re: 96 eclipse rs backfire when gave gas
didnt under stand what u asked...sorry!!!. the check engine light is not on.
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91 s10 400 (484/494 cam)1.6 roller rocker,typhoon intake,800 cfm thunder avs carb,250 shot nos,5 speed,tubbed rearend w/ drags....chromed down 2 10in memphis hpo in a reg cab
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#4
04-16-2007, 10:05 PM
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Re: 96 eclipse rs backfire when gave gas
Have you checked the TPS yet?
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95 Talon TSI AWD 97 Eclipse GST
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#5
04-16-2007, 10:33 PM
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Re: 96 eclipse rs backfire when gave gas
no i havent. how do i check this?. it idles great.im not much on mpi. i deal with carbs more.
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91 s10 400 (484/494 cam)1.6 roller rocker,typhoon intake,800 cfm thunder avs carb,250 shot nos,5 speed,tubbed rearend w/ drags....chromed down 2 10in memphis hpo in a reg cab
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#6
04-16-2007, 11:23 PM
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Re: 96 eclipse rs backfire when gave gas
Try this
http://www.geocities.com/MotorCity/D.../dsmtests.html You can also check in a shop manual if you have one. It should tell you how to test it.
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98 Eclipse GS Turbo Megasquirt 2 - Holset HY35 Turbo - Built motor - P&P Head and Intake - 3" Turbo back - FMIC - Greddy RZ BOV - Walbro 255 - Aeromotive AFPR - 650cc Injectors - Fidanza Flywheel - Zoom clutch - 13" Cobra Front Brakes - AEM WB - Devilsown meth injection - 3.55 Final Drive gear ratio 1981 Chevy Scottsdale 1987 Nissan 300zx - Chump Car 2001 BMW 325i - DD
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#7
04-17-2007, 07:47 AM
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Re: 96 eclipse rs backfire when gave gas
thanxs. im gonna check now
__________________
91 s10 400 (484/494 cam)1.6 roller rocker,typhoon intake,800 cfm thunder avs carb,250 shot nos,5 speed,tubbed rearend w/ drags....chromed down 2 10in memphis hpo in a reg cab
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#8
04-17-2007, 10:56 AM
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Re: 96 eclipse rs backfire when gave gas
tps is ok. i replaced with new one and no change
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91 s10 400 (484/494 cam)1.6 roller rocker,typhoon intake,800 cfm thunder avs carb,250 shot nos,5 speed,tubbed rearend w/ drags....chromed down 2 10in memphis hpo in a reg cab
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#9
04-17-2007, 01:40 PM
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Re: 96 eclipse rs backfire when gave gas
When you cut off the cat you didn't mess with any of the o2 sensors did you?
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95 Talon TSI AWD 97 Eclipse GST
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#10
04-17-2007, 03:02 PM
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Re: 96 eclipse rs backfire when gave gas
no still connected
__________________
91 s10 400 (484/494 cam)1.6 roller rocker,typhoon intake,800 cfm thunder avs carb,250 shot nos,5 speed,tubbed rearend w/ drags....chromed down 2 10in memphis hpo in a reg cab
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#11
04-21-2007, 07:31 PM
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Re: 96 eclipse rs backfire when gave gas
any other ideas...im totally lost!!!!!
__________________
91 s10 400 (484/494 cam)1.6 roller rocker,typhoon intake,800 cfm thunder avs carb,250 shot nos,5 speed,tubbed rearend w/ drags....chromed down 2 10in memphis hpo in a reg cab
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