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Old 08-14-2015, 03:29 PM   #1
PatWRX14Wagon
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Default RF from Car Charger creates Check Engine Light to go on

I have a 14 WRX Wagon and its has only 8200 miles on it. Two weeks ago the check engine light came on. Took it to the dealer and said its was a EVAP line clog. Possibly to a spider making a home in the EVAP Line. The line was cleared. The next day check engine light came on again. Same error EVAP line clog. Dealer order and installed new canister. Guess what the next day same issue. Dealer had a field engineer check it out and checked the whole system. Nothing wrong. They told me the aftermarket car chargers(USB charger) is creating RF that makes the Check Engine light come on. I look in the web and couldn't find any information in this. GUYS, have you experience this or heard anything about this issue?
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Old 08-14-2015, 04:41 PM   #2
Airplay355
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Isn't this just a simple experiment? Drive the car around after the code is cleared and you've unplugged the car charger. If the CEL comes back, they're full of ****. If it stays off, maybe that's what's causing the CEL.
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Old 08-14-2015, 04:44 PM   #3
godfather2112
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Quote:
Originally Posted by Airplay355 View Post
Isn't this just a simple experiment? Drive the car around after the code is cleared and you've unplugged the car charger. If the CEL comes back, they're full of ****. If it stays off, maybe that's what's causing the CEL.
That would be my immediate thought process.
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Old 08-20-2015, 11:22 AM   #4
Supraru
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Spiders clog up lines all the time. Just because it's cleared out doesn't mean te spider is. Depends on how persistent and fast it rebuilds the blockage. There was also a tsb about some aftermarket chargers causing some sort of issue but can't remember if it was a cel or not. I've also had one where it needed a new harness/harness repair at a couple joints.
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