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engine cutting out

This is a discussion on engine cutting out within the General Help forums, part of the LSx Technical Help Section category; ls2 swapped m6 2000 camaro. I went to go out today and got a block away from my house and ...

  1. #1
    Junior Member steve00ss's Avatar
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    engine cutting out

    ls2 swapped m6 2000 camaro. I went to go out today and got a block away from my house and the car just kind of fell on its face.like the engine just said no, it kept getting power then and shuttering through that until I got back home. any thoughts or help would be appreciated. I've checked o2'sand maf, and it done this before and replaced fuel pump with aftermarket and that didn't help. also the temp gauge it just stopped doing it after 2 months of not driving it and I thought it was fine but apparently not. also the temp gauge freaks out when it starts acting up.

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    Member SuperSSguy's Avatar
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    With the risk of sounding too simple ...Hows the battery/charging system?

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    Junior Member steve00ss's Avatar
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    its good, would that cause the problem though?

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    Your friendly policeman FinZ28's Avatar
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    Still running catalytic converters? Is the SES light on, and if so have you had the codes scanned?

    Start simple though and check things like plugs and wires, air filter and so on. Clean the MAF with CRC MAF cleaner and clean the throttle body with throttle body cleaner. When is the last time the fuel filter was changed? What mods does the engine have? Has the car been tuned any? Have you checked fuel pressure at the rail to see what it is?

    Also, did you swap in the LS2 or did you buy it that way? How long has the car been running this way?
    Last edited by FinZ28; 07-14-2012 at 06:44 PM.
    2001 Chevy Camaro Z28 A4
    SLP cold air intake/lid, SLP smooth bellow, Pacesetter LT's, ORY, Magnaflow exhaust, BMR STB, adjustable Panhard rod, SFC's, LCA's, 1LE sway bars, cross-drilled rotors

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    None Shall Pass Knight's Avatar
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    Good suggestions above. Definately check your ground and battery connections, as well as your pcm connections.

  6. #6
    Member SuperSSguy's Avatar
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    Quote Originally Posted by steve00ss View Post
    its good, would that cause the problem though?
    Its one of many problems? I dunno.. If their wasnt the proper amount of voltage to the fuel injectors along with other electrically run parts it may cause bogging and stalling etc?

  7. #7
    Junior Member steve00ss's Avatar
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    no cats, I've checked every connection I can find, fuel filter was changed when the pump was a couple months ago. so were plugs/wires. filter,maf,tb all clean. had the car almost 4years and had the ls2 swapped in 3 years before I knew what i was doing. its been in the car for 3 years.nothing new has been done before it started this.just did it out of the blue. and I don't have anything to check fuel pressure,I'll try and get ahold of one tomorow. this is my dd and Igotta drive it to work in the morning :/

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    Member SuperSSguy's Avatar
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    I read about the"VATS'' (vehicle anti-theft system) from one of the members here...I wonder if your key is somehow not making the correct resistance/or failing somehow? ....Long shot i know

  9. #9
    Your friendly policeman FinZ28's Avatar
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    Quote Originally Posted by SuperSSguy View Post
    I read about the"VATS'' (vehicle anti-theft system) from one of the members here...I wonder if your key is somehow not making the correct resistance/or failing somehow? ....Long shot i know
    Pretty sure that if VATS fails, the car won't start, let alone run.

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    Member 79Firebird_99TA's Avatar
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    Same thing happened to me a couple of years ago and it was a spark plug.... but the SES light came on and the code indicated which cylinder. You said that plugs were changed a couple of months ago. Did you do them? If not, maybe whoever did, didn't change #8. That one is not easy to replace. It was also asked earlier if your SES is on. If it is, pull the code.

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    Senior Member tatertot91's Avatar
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    replace the coolant temp sender, possibly the pigtail on the harness, if not the PCM is getting a bad connection to the sender. If it's not reading the temp it will cause misfires, erratic behavior, and loss of power
    Last edited by tatertot91; 07-15-2012 at 08:27 AM.

  12. #12
    Junior Member steve00ss's Avatar
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    wheres that sensor at, haven't had to mess with it before so I don't know where it's at. and I did the plugs,#8 is a pain but I got it lol.

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    Senior Member tatertot91's Avatar
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    The sender should be located right in front of the exhaust manifold/header on the drivers side head unless it was moved. It's a 10-15 dollar part and relatively easy to swap so i'd start with that and see if it fixes your problem
    Snapped a pic and circled the sender.
    Try and look past the dirty engine bay


  14. #14
    Member SuperSSguy's Avatar
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    ^^ Actually thats a good one! Forgot about that!..........

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    Junior Member steve00ss's Avatar
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    so, I haven't got to check yet but I don't believe thats ever been plugged in since motor swap and its ran fine until now, gauge has worked until now to

  16. #16
    Junior Member steve00ss's Avatar
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    ok so that sensor is there. I left the car running and naturally it did its freakout thing,and the gauge went nuts. so I unplugged the sensor and the car died immediatly and I restarted and it ran fine without it plugged in..just no temp gauge and fans ran constantly. so since I don't have anything fancier than a test light, so how may I check it out. or should I just go get a new one? is that enough to say it's effed up?

  17. #17
    Senior Member tatertot91's Avatar
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    Sounds to me like the sender might be faulty. Id try a new one, luckily its a low cost part

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    Member 79Firebird_99TA's Avatar
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    Quote Originally Posted by steve00ss View Post
    wheres that sensor at, haven't had to mess with it before so I don't know where it's at. and I did the plugs,#8 is a pain but I got it lol.
    Cool ... can rule that out. So .... again, is the SES on?

  19. #19
    Junior Member steve00ss's Avatar
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    Will it be ok for me to run with out that sensor plugged in for a few days? dealer has to order. and yes ses lights on but doesn't really tell me anything.

  20. #20
    Your friendly policeman FinZ28's Avatar
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    Quote Originally Posted by steve00ss View Post
    Will it be ok for me to run with out that sensor plugged in for a few days? dealer has to order. and yes ses lights on but doesn't really tell me anything.
    It would be helpful in diagnosing the problem if you got the codes scanned and posted them.

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