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11-17-2023, 12:30 PM | #1 |
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intermittent p015a and p015b
My turbo build has been an absolute pain in the ass, but is lovely when it is working
First Full blown manifold cracked and flanges were incredibly warped, replaced with a new full blown manifold which ALSO had warped flanges and was not coated as ordered, Full Blown DID not remedy this issue despite numerous attempts to remedy (anyone reading this, GO JDL) After sorting out the manifold, and ensuring I have no leaks (checked with shop vac and soapy water) and smoke testing the intake pre and post throttle body I am unable to find any leaks. Despite this I have a persistent p015a and p015b. Car runs fairly well Setup: FBM exhaust manifold and downpipe Precision wastegate with 5.5lb spring Boostlab 5757 t3 .48ar greddy clone FMIC setup Tial Q 50mm BOV located pre maf What I've done: Replace primary o2 Replace maf Leak tested exhaust with shopvac and soapy water Smoke tested pre and post throttle body New injector ECU ensured ground is tight on injector ecu tuner has tried playing with tune. Something I did notice was that my long term fuel trims have been persistently negative (15-25%) and the tuner had to adjust VE tables to get the trims to be decent. Looking through logs trims started to be wildly negative after I swapped direct injectors with refreshed onces from CSG, right before installing turbo setup. Is it possible an injector is leaking fuel? Did I screw up install? Please help
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Last edited by alphasaur; 11-18-2023 at 01:47 AM. |
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11-20-2023, 01:02 AM | #2 |
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11-20-2023, 02:03 AM | #3 |
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That's terrible advice. ...all due respect.
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11-20-2023, 11:57 PM | #4 |
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Welp, as you can understand, Bubba ain't used to non-sense things like CELs.
He just had four gauges, a temperature gauge, an amp meter, an oil pressure gauge and a fuel gauge - and they all should read about half way. If the temp gauge read hot, find and replace the burst hose and refill with water (or alcohol in the winter). If the amp gauge read negative, open the hood and rap on the voltage regulator with the handle of a screwdriver. If the oil pressure gauge read low, add a quart or two of oil. If the gas gauge read low ........ yep, you guessed it - |
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