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Need major help with engine trouble on 2000 Civic Si

Discussion in 'Accord' started by bpounds, Jul 12, 2007.

  1. bpounds

    bpounds New Member

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    I have a 2000 Civic Si (B16A2). I had an Edelbrock turbo added about 7 months ago. It only ran good for about a month. But now, it jerks a lot when my speed idles at a certain speed (for example - going 55 mph in 5th gear for about ten seconds). It only drives good when I am accelerating to a higher speed. This morning my car completely cut off while approaching a stop sign, but it cranked right up. Sometimes, the car will not even accelerate when I am pushing the gas pedal (it's like it bogs down). I have to put it in neutral, then rev it to about 5,000 RPMs and then put it in gear to go. It's really weird.

    Another problem that comes and goes is that my car is sooooo slow when accelerating from a complete stop. It will only go 5 to 10 mph for about 5 or so seconds. If I am going uphill, it almost will not make it. People always swerve around me wondering why a suped up car is driving like a grandma. It may do it one day, and then the next, it drives fine.

    Normally, my car runs great on the way to work, but I have to pray to make it home everyday. That's when I have the most problems.

    Anyway, the guys who put it on checked the timing and the wires for the ECU and piggy back, but they said nothing is wrong with that. They said I should try a new map sensor (but they can't guarantee it will work). They said it could also be my ECU going out.

    Does anyone have any idea what it could be? All answers would be greatly appreciated. :D

    Oh, also I have been emailing a technician at Edelbrock. I sent him pictures of the ECU and piggy back; he said it was fine. The only thing he could come up with is that I need my O2 sensors replaced to take the car out of "home limp mode."?? (the engine check light is on). Please help!!!
     
  2. bpounds

    bpounds New Member

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    And some more background info is that I had a burnt valve back in November 06. Since the engine was going to have to be rebuilt anyway, I decided to add the turbo. So, low compression pistons and Skunk 2 valves were added. Also, they put on a new Spec 2 clutch. (hope this info helps).:confused:
     
  3. boostedf22

    boostedf22 dis is why im not

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    And this is in an accord forum why ???

    Another thing is why havent you gotten the code for the check engine light . That could be your whole problem . Before I go spending thousands of dollars replacing sensors until one worked. Get the code. Take it to honda , they will tell you what electronic sensor is fucked.

    The people looking over your car , didnt bother to take a look at what sensor is throwing a cel ??
     
  4. bpounds

    bpounds New Member

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    I didn't know how to find the correct forum at first. Piece of cake now.

    Anyway, they ran a diagnostics a couple of weeks ago and said it was only O2 sensors.

    I took it back to the shop today to run another diagnostics. Today, it did show different codes than last time. There were three codes:

    1. P0108 (map circuit high input)
    2. P0122 (TP sensor (A) voltage low)
    3. P1121 (TP sensor signal lower than expected)

    He said if I take it back to him next week, he can check the voltage to see if the TP sensor is bad....but, if it comes back with good voltage, he said it would have to be a bad ECU.

    Does that sound correct?
     
  5. boostedf22

    boostedf22 dis is why im not

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    Well my experience with ecus . Dont just fuck up one section . All of the ones that went bad on me and others , just go all out and stop runnning the car all together.

    But what your tech is stating sounds about right . Got to check the sensors to see if there even recieving the correct voltage.

    Do you have a volt meter and a hilton or chaynes manual for your car. You can easily check the sensors yourself.
     
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