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Old 03-09-2020, 09:10 AM   #12
Teds89IROC
 
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Join Date: Sep 2004
Location: Haledon, NJ
Posts: 5,162
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Final update for anyone following or if a search takes them here with similar problems. I wasn't throwing a code anymore but it still wasn't right and I hit a wall. I took the car to Josh (JS Performance) and the newer style (plastic) Delco MAF was causing whacky readings as well as a worn out throttle body main assembly. I couldn't see this on my scanner but Josh saw at idle the TPS voltage was jumping around. The computer was correcting false readings and throwing off fueling. Factory style metal Delco MAF and a BBK throttle body and the car is running great! He also did the caster/camber plates and a few other things while I had it there. I picked the car up Friday and have driven it about 100 miles so far.
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1989 IROC-Z 355 LT1 T56 Swapped
2016 Chevy Colorado LT 3.6 v6
2008 Jeep Grand Cherokee Laredo 4.7L RIP 12/29/2016
1998 Honda CBR 600F3
2003 Yamaha FX140
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