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Old 05-01-2019, 07:32 PM
Baby Unicorn Taco Baby Unicorn Taco is offline
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Cold start rough idling (10 secs) and CEL codes now

Quote:
Originally Posted by ard View Post
NO!


Your car is running lean, almost certainly an intake leak. Just find the leak. A smoke test will probably not tell you, it is very hard to get a good diagnstc when you have a small cracked elbow under something...


When the car starts, and youve disconnected the MAF, the DME automatically uses a default air/fuel map that is PURPOSEFULLY very rich, to protect the motor. In your case this rich map works fine with your air leak.


Start taking things apart, look for cracked pipes, plastic bits, etc


Listen to this advice. It might be worth a one hour diagnosis at an Indy shop with a smoke test if you can’t find it.


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