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SUBARU IMPREZA EJ20KD

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Old 07 December 2017, 12:49 PM   #1
Farjay....
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Hi, i have a subaru impreza ej20kd. its misfiring, smocking black smoke and fuel consuption is high anyone knows the problem
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Old 07 December 2017, 12:53 PM   #2
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Boost pipe off
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Old 07 December 2017, 01:01 PM   #3
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Boost pipes are all good.
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Old 07 December 2017, 01:06 PM   #4
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a bit more info is needed bud. is it a standard or modified car? if so what mods and was it mapped for them? decats, front mounts, induction kits etc need to be mapped to correct the reading to the ecu. if standard car the maf might be dirty and need a clean, theres you tube videos showing how to do it. could be the front lambda sensor also. if its a classic you could connect the connectors under the steering wheel to see if theres any codes.
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Old 07 December 2017, 01:08 PM   #5
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as said check all vac pipes for leaks or pipes popped off. extra air entering somewhere will cause the ecu to compensate and add more fuel. any changes made to the car recently?
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Old 07 December 2017, 01:20 PM   #6
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The car is stock no any mod.
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Old 07 December 2017, 01:24 PM   #7
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will try to cleaning the maf and check all the vac pipes.
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Old 07 December 2017, 04:17 PM   #8
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what year is the car?
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Old 07 December 2017, 05:32 PM   #9
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Quote:
Originally Posted by Gambit View Post
what year is the car?
Looks to be a JDM MY97 or 98 WRX
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Old 07 December 2017, 06:55 PM   #10
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Its 1997
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Old 08 December 2017, 09:35 AM   #11
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go back to basics and undertake a compression test, those symptoms at first glance would suggest a piston / cylinder issue.............
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