R31/Z31/VLT MAF voltage spikes - Technical bulletin

Discuss hardware problems here.

Moderator: Matt

Post Reply
Matt
Site Admin
 

Posts: 8961
Joined: Sun Jan 29, 2006 1:45 am
Location: Adelaide, Australia
Contact:

R31/Z31/VLT MAF voltage spikes - Technical bulletin

Post by Matt »

Please see attached

Post any questions to this thread. I have not run this modification yet in my vehicle as its only just been discovered by a forum member, but all tested well on the bench
Attachments
Nistune Technical Bulletin 002.pdf
Nistune Technical Bulletin 002 - MAF spikes
(1.08 MiB) Downloaded 572 times
Matt
Site Admin
 

Posts: 8961
Joined: Sun Jan 29, 2006 1:45 am
Location: Adelaide, Australia
Contact:

Post by Matt »

updated ... HR31 RB20DET added also
Attachments
Nistune Technical Bulletin 002a.pdf
Tech bulletin 002a
(1.51 MiB) Downloaded 448 times
bachig24u
 

Posts: 677
Joined: Mon Jun 01, 2009 11:46 pm
Location: Campbelltown, NSW
Contact:

Post by bachig24u »

Matt,
I noticed on page 34 of Nistune software Users Manual regarding MAF mods that 2 parallel resistors & R201 was removed in the previous mod,
Is this still required for the 87-89 ECU's as well as daughter board pin14 removal?


Kind Regards
Sime
http://www.jps.net.au
tuners@jps.net.au
Calibration Engineer
JPS Motorsports & Electronics
Post Reply