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Evo III misfire on 1 & 2

Old Jan 12, 2019, 09:08 PM
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Evo III misfire on 1 & 2

Hello,
I need help figuring out out this issue with my car. i was driving home from work when i just suddenly lost a significant amount of power to my car. Come to find out my 1 & 2 engine banks are dead. I put brand new spark plugs, swapped around the spark plug wires on the distubutor and the engine itself and the problem stayed on 1 & 2. I know fact im getting spark on all four as ive seen it and heard it. so i checked the fuel injectors with a simple trick of putting a flat head to the metal part while the engine is on and listening if i can hear it pulsing. I heard it pulsing and didnt troubleshoot any further. So now im thinking maybe a clog in the fuel rail is blocking 1 & 2 maybe??? Any help would greatly appreciated i just wanna drive my car.
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Old Jan 13, 2019, 01:35 PM
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Evo IIIs don't have a distributor.
I highly, highly doubt the fuel rail has a clog. It doesn't sound like a coil either, since 1 and 2 aren't paired.
Have you checked the fuel filter? Done a compression test?
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Old Jan 13, 2019, 02:10 PM
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First off thank you for the reply. I have not done a compression test yet just because I donít have a compression gauge and Iíll be able to check my fuel filter today when I get home. My question is could an engine just randomly lose compression without there being some sort of pop or bang or something?
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Old Jan 13, 2019, 02:21 PM
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Certainly. It could have a failed headgasket between the 1st and 2nd cylinders, or possibly an intake manifold gasket. Neither needs to come with a pop or a bang. Do a boost leak test if you haven't done so already, it may give you some valuable information.
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