Thread: Need help asap
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      06-16-2021, 06:53 PM   #2
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Drives: 2015 BMW 335i
Join Date: May 2019
Location: Cali

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Originally Posted by mike_n55 View Post
Why is it that when i start my car it sounds like it is cammed.. Recently just installed Port Injection with 750cc injectors. Stage 2.5 lpfp 3.5 Bar TMap sensor, replaced sparkplugs with NGK.
Well you changed 3 things so start with those...

Scan for codes first obviously.

Make sure 3.5 bar tmap flash option is checked in flash options.

Pressure/smoke test for vacuum leaks.

Make sure plugs/coils installed correctly.

Make sure the injectors are disabled at idle and tuned correctly.
Appreciate 0