rb20det no top end power??

Post by **sen-pai** » Sun Sep 25, 2005 9:46 pm

well i was having a maf problem (my car kept shutting down) anyways i just replaced the maf and the car seems to be running good now... but after i hit full boost at around 4000rpm the car just doesn't seem to pull as much as b4... any reasons y this would happen just by changing a maf

Post by **Carl H** » Mon Sep 26, 2005 2:42 am

timing, check base timing.

Post by **sen-pai** » Mon Sep 26, 2005 4:05 am

what should it be

Post by **unstable240** » Mon Sep 26, 2005 10:24 am

15 for manual and 20 for auto.

Post by **sen-pai** » Mon Sep 26, 2005 4:59 pm

the other maf never had this problem... the other maf just made the car die lol... but when it did run .. ran like crazy... switched mafs now it stays alive and doesn't die but around like 3500rpm it will be at full boost but not really gain any rpms

Post by **SeVa-S13** » Mon Sep 26, 2005 5:22 pm

Old MAFS may have been reading too lean, counteracting the stock ECU's ridiculous fuel dump at WOT.

Also, check for boost leaks.

Post by **sen-pai** » Mon Sep 26, 2005 7:49 pm

no boost leaks... so how do i fix what u were just talkin about mafs... and the ecu

rb20det no top end power??

rb20det no top end power??

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