Car always garaged, went down to 20 degrees last night but temp in garage was 65 degrees. Opened garage door and Pushed start button, started normally. Left something in house,
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11-14-2019, 05:04 PM | #1 (permalink) |
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A little nippy this morning...
Car always garaged, went down to 20 degrees last night but temp in garage was 65 degrees.
Opened garage door and Pushed start button, started normally. Left something in house, turned car off went inside. Roughly 20 minutes later, started car again. Slowly reved it’s way up (with no help of mine) until it hit rev limiter, then worked it’s way down to idle. Car is running rock solid as usual, but I had a TPS go bad on me and this is exactly how it started. Not too concerned right now, but anybody have this happen? I have a Gen III intake and a FI CBE with a revtech tune done by Z1. |
11-14-2019, 08:33 PM | #3 (permalink) |
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Huh? A tire pressure sensor causing engine idle issues? That doesn't make sense to me
Hopefully someone else can chime in for you. I've had my idle rev up like that before. Not to redline though. Mine was just dirty MAF/TBs.
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11-14-2019, 08:47 PM | #4 (permalink) |
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TPS- throttle position sensor?
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11-14-2019, 10:42 PM | #6 (permalink) | |
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If the latter, I get this from time to time is bc my MAF sensors are dirty (OBD II sensor pulled MAF code), and turn off for 30 seconds and restart and runs like a beast again.
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11-15-2019, 07:40 AM | #8 (permalink) | |
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Good point on the MAF. Thanks. |
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11-15-2019, 07:48 AM | #10 (permalink) | |
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Would a dirty MAF throw a CEL? No light and starting/running normally. Just don’t want to go through that again! |
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11-15-2019, 09:23 AM | #12 (permalink) | |
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Cleaning the MAFs is very easy - two screws and the MAF slides right out, spray it down with cleaner, let dry, re-install, do the other side. Takes less than 5 minutes per side. Considering all the problems MAFs can cause and how easy they are to clean, you might want to clean them once a year - or every oil change if you're real finicky (but that's probably overkill).
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