Sr swap done by professional, now it bucks and hesitates until ab 5000rpms - Zilvia.net Forums | Nissan 240SX (Silvia) and Z (Fairlady) Car Forum

sepulchral · 04-02-2005, 06:37 PM

car hesitates in WOT until like 6000rpms then finally GOes

error code read bad knock sensor, i reset ecu, ran car and it read 55 which is fine.

but car bogs like crezy and backfires

i know many ppl had this prob but i dont know what it is!

sr20det fmic, walbro fuel pump, 93 octane

Blues13 · 04-03-2005, 01:33 AM

This has been covered a lot.. prob once a week. Look at your spark plugs and gapping, boost leak, BOV, MAF etc.. you should let us know what you have tried to check so we know what to eliminate.

04-02-2005, 06:37 PM	#1
sepulchral BANNED Join Date: Mar 2004 Location: Midlothian. VA Posts: 2,050 Trader Rating: (0) Feedback Score: 0 reviews	Sr swap done by professional, now it bucks and hesitates until ab 5000rpms car hesitates in WOT until like 6000rpms then finally GOes error code read bad knock sensor, i reset ecu, ran car and it read 55 which is fine. but car bogs like crezy and backfires i know many ppl had this prob but i dont know what it is! sr20det fmic, walbro fuel pump, 93 octane

04-03-2005, 01:33 AM	#2
Blues13 Zilvia Junkie Join Date: Jul 2003 Location: OC Posts: 435 Trader Rating: (2) Feedback Score: 2 reviews	This has been covered a lot.. prob once a week. Look at your spark plugs and gapping, boost leak, BOV, MAF etc.. you should let us know what you have tried to check so we know what to eliminate.