SO the car is a 85 325e with an I head swap, turbo and megasquirt, running NEW 60lb injectors. Car ran great for about 2 weeks and then the external fuel pump went out, Fuel pumps were replaced with an in-tank walboro 255, this fixed the issue and car ran excellent for next 2 days.
After 2 days the car died out on the freeway and would hardly idle, AFR gauge was reading very lean about 17AFR at idle and it would not rev up at all. Car gets progressively leaner as revs increase until it doesn't rev up.
Fuel filter was replaced after the issue and car idles better but will not rev past 4k and revs VERY slow.
Mega squirt was showing fuel load at around 40-50%.
what else could cause this extreme lean condition?
After 2 days the car died out on the freeway and would hardly idle, AFR gauge was reading very lean about 17AFR at idle and it would not rev up at all. Car gets progressively leaner as revs increase until it doesn't rev up.
Fuel filter was replaced after the issue and car idles better but will not rev past 4k and revs VERY slow.
Mega squirt was showing fuel load at around 40-50%.
what else could cause this extreme lean condition?
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