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 Old 04-06-2019, 08:14 AM   #1
 
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Default Trouble codes everywhere not sure what’s happening

2011 speed 3

Full bolt ons with purple drank e50 tune stock turbo

Out of no where I got p0171, p0172 and p0300 all at once.

Car drives okay at part throttle but is super lean at idle and WOT. It’s also bogging down really bad at idle like it wants to stall

Cars hitting 19-20 afr at idle. Normally is 14.7,

Tried cleaning the mad, tightened all cupplers, cleaned egr, ran sea foam thru the car ANd did a smoke test

I don’t know what’s causing this. I’m thinking it’s either a huge vacuum leak that I somehow didn’t se or the purge valve.

Please help
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 Old 04-06-2019, 10:50 AM   #2
 
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Its probably a pre turbo leak. Do a boost leak test and then a log. if it was a post turbo leak like the purge valve or a opening in the system you would be running rich at wot and lean at idle.
Do a boost leak test from the filter. spray soapy water everywhere while testing. you will be amazed how many leaks you find this way vs "smoke testing". if it was a huge leak the car would run like dog shit
How-To NATOR A Boost Leak Tester for $15
Dont use seafoam it will fuck up the o2 IMO.
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