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Thread: 2002 VW GTI 1.8T check engine light

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    Officer hatchback is startin' to get that street cred!
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    Unhappy 2002 VW GTI 1.8T check engine light

    Well, joy.

    This morning while driving up to CR, my CEL came on. Didn't notice any downgrade in performance while on 380. After my full day of meetings, I unscrewed and rescrewed the gas cap on (suggested by my mechanic). Started the car up, and it idled real rough for a few seconds with low RPMs, the RPMs shot up to about 2,000 RPM for a couple seconds, and then went back down to normal.

    Any ideas?

    Thanks!
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    Scirocco Master MurA1 is startin' to get that street cred! MurA1's Avatar
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    If you have an autozone, oreilly's or Advance near you can scan your car with a scanner for free (or deposit and refund deal). That is good for most basic codes. Should give you a start. I'd recommend not asking anyone that works there for details on the code unless you know they know something about codes.
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    Optometrist Prime LilRaverBoi is gettin' that street cred! LilRaverBoi's Avatar
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    It's a VW....CEL's shouldn't be a surprise LOL.

    I dunno, I'd have it scanned, as recommended and see what you can come up with. My car tosses a CEL every now and then, but always runs fine. I've never had it checked out....it usually just goes off in a day or two and is fine.
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    Quick, like a Bunny! stuckinames is startin' to get that street cred! stuckinames's Avatar
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    could have been moisture in the fuel lines with our sudden change in weather that just had to pass through the system. Could have been all kindsa' stuff. Do what Rhett said and scan it (for free) at autozone/o'rileys. At least then you can clear the code and see if it comes back(for free).

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    www.rabbitabby.com berserker is startin' to get that street cred! berserker's Avatar
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    Quote Originally Posted by LilRaverBoi View Post
    It's a VW....CEL's shouldn't be a surprise LOL.
    lol
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    Lieutenant bigrobsa is startin' to get that street cred! bigrobsa's Avatar
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    Will any OBDII scanner do? If so, I've got one.
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    Captain lreven is startin' to get that street cred! lreven's Avatar
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    Vag-Com is what I use - OBDII might be ok. I'd have it checked - could be nothing or could be random miss-fire which you'd want to find.
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    Scirocco Master MurA1 is startin' to get that street cred! MurA1's Avatar
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    OBD2 scanner will work just fine for the basic codes.
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    Officer hatchback is startin' to get that street cred!
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    Autozone said it was a "P1296" code: Check coolant level or check the CTS (Coolant Temperature Sensor).

    Anyone have any suggestions for the code?
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    two words, Jack Daniels vrjetta98 is startin' to get that street cred!
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    Have any work done on the car lately, sometimes the sensors that plug into the bottom of the coolant resevoir don't get put on all they way and come loose. I would check there first.
    Ginger

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    Officer hatchback is startin' to get that street cred!
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    I had all the fluids checked a couple weeks ago to make sure they were up to snuff for the winter; having moved from Texas, I wanted to make sure stuff wasn't going to freeze on me.
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    Oontz Oontz Oontz Mk4Gasm is gettin' that street cred! Mk4Gasm's Avatar
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    If you do not have the revised "green top" version of the coolant temp. sensor it causes a CEL. The part is 20 bucks at the dealer and is about 10 minutes to put in.
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    Scirocco Master MurA1 is startin' to get that street cred! MurA1's Avatar
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    Quote Originally Posted by Mk4Gasm View Post
    If you do not have the revised "green top" version of the coolant temp. sensor it causes a CEL. The part is 20 bucks at the dealer and is about 10 minutes to put in.
    Sounds to me like there's your issue.
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    Officer hatchback is startin' to get that street cred!
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    Something easy enough for a rookie to fix/replace? I've heard these sensors are cheap from the dealer.
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    Performance2ning Dubtuner is startin' to get that street cred!
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    Quote Originally Posted by hatchback View Post
    Something easy enough for a rookie to fix/replace? I've heard these sensors are cheap from the dealer.
    yes
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    Officer hatchback is startin' to get that street cred!
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    Excellent! BigRob & I are going to tackle this on Saturday!
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    Oontz Oontz Oontz Mk4Gasm is gettin' that street cred! Mk4Gasm's Avatar
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    Well, it seems like the culprit might be the thermostat. After driving across town for about 15-20 minutes, the temperature readout on the dash doesn't get to normal/mid-point. Any chance it is just the CTS?
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    www.rabbitabby.com berserker is startin' to get that street cred! berserker's Avatar
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    Quote Originally Posted by hatchback View Post
    Well, it seems like the culprit might be the thermostat. After driving across town for about 15-20 minutes, the temperature readout on the dash doesn't get to normal/mid-point. Any chance it is just the CTS?
    I drove my 2002 1.8t gti for 3 years with a CEL on the whole time due to a thermostat related code.. and it is fairly common I believe. It always stayed at normal running temperatures though, so I never replaced the thermostat or housing, though I had both on hand in case.
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    Quote Originally Posted by Jacob
    i took the GTFO sticker off but the ancient sticker residue still repels water when i wash it and i can see the outline

    it's like NOPE. KEEPIN ABBY'S SHIT.

  21. #21
    Performance2ning Dubtuner is startin' to get that street cred!
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    Try the coolant temp sensor first. if you car wont get up to temp after that chances are its your thermostat ive had to replace em where they wont get up to operating temp and they couldnt get hot air inside the cabin.
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    Lieutenant bigrobsa is startin' to get that street cred! bigrobsa's Avatar
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    Yeah, but you pull engines and shit, Abby, you're not a novice. You're Maria Andretti...Mario's long, lost daughter.
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    Quote Originally Posted by Dubtuner View Post
    Try the coolant temp sensor first. if you car wont get up to temp after that chances are its your thermostat ive had to replace em where they wont get up to operating temp and they couldnt get hot air inside the cabin.
    Yeah, I haven't noticed a lack of warm air... yet. However, the clock is ticking until super-cold weather is here, and the heated seats can only provide so much warmth. ;-)
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    ahhh...I love my heated seats. They are great while the car warms up.
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    Oontz Oontz Oontz Mk4Gasm is gettin' that street cred! Mk4Gasm's Avatar
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    I replaced my thermostat and housing when I did my timing belt...it's not an easy job to do.
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