Having SR Problems - Zilvia.net Forums | Nissan 240SX (Silvia) and Z (Fairlady) Car Forum

Mofuhcka · 07-15-2016, 08:23 PM

SR is running weird, here is whats going on what I have already looked into:
Runs at 10.0 AFR
Replaced maf
TPS works
Coolant temp works
All spark plugs/packs are working
Injectors aren't leaking
O2 is replaced
No boost leaks
No old lines
Ecu is throwing code but won't let me read it
1500rpm idle

David48 · 07-15-2016, 09:11 PM

How did you test for boost leaks? When is it running 10.0 AFR? At idle, cruising, or under load?
Also, did this just recently start happening? Or is this a swap you just installed and are trouble shooting?

Mofuhcka · 07-16-2016, 06:45 AM

Quote:

Originally Posted by David48

How did you test for boost leaks? When is it running 10.0 AFR? At idle, cruising, or under load?
Also, did this just recently start happening? Or is this a swap you just installed and are trouble shooting?

Idle and cruising. Under load goes lean. Sprayed all the couplers with starter fluid. When starter fluid goes in the system the idle drops

David48 · 07-16-2016, 06:53 AM

Do you have an adjustable fuel pressure regulator? Or if it's stock, have you tried another one? It's also worth opening the ECU to look for any burnt terminals or corrosion.

Mofuhcka · 07-16-2016, 07:41 AM

Quote:

Originally Posted by David48

Do you have an adjustable fuel pressure regulator? Or if it's stock, have you tried another one? It's also worth opening the ECU to look for any burnt terminals or corrosion.

The FPR is working fine. Ill crack open the ecu

ultimateirving · 07-16-2016, 01:58 PM

Try pressurizing the system and listening for air leaks

jedi03 · 07-17-2016, 09:27 AM

Try adjust iacv an make sure throttle closes aka throttle cable isn't stuck

07-15-2016, 08:23 PM	#1
Mofuhcka Nissanaholic! Join Date: Aug 2011 Location: Sacramento Posts: 1,810 Trader Rating: (2) Feedback Score: 2 reviews	Having SR Problems SR is running weird, here is whats going on what I have already looked into: Runs at 10.0 AFR Replaced maf TPS works Coolant temp works All spark plugs/packs are working Injectors aren't leaking O2 is replaced No boost leaks No old lines Ecu is throwing code but won't let me read it 1500rpm idle __________________ @hcr32love 400whp NEO R32 Sedan

07-15-2016, 09:11 PM	#2
David48 Zilvia Addict Join Date: Jun 2009 Location: Tampa, Fl Age: 31 Posts: 991 Trader Rating: (11) Feedback Score: 11 reviews	How did you test for boost leaks? When is it running 10.0 AFR? At idle, cruising, or under load? Also, did this just recently start happening? Or is this a swap you just installed and are trouble shooting? __________________

07-16-2016, 06:53 AM	#4
David48 Zilvia Addict Join Date: Jun 2009 Location: Tampa, Fl Age: 31 Posts: 991 Trader Rating: (11) Feedback Score: 11 reviews	Do you have an adjustable fuel pressure regulator? Or if it's stock, have you tried another one? It's also worth opening the ECU to look for any burnt terminals or corrosion. __________________

07-16-2016, 01:58 PM	#6
ultimateirving Zilvia FREAK! Join Date: Nov 2010 Location: arizona Age: 37 Posts: 1,521 Trader Rating: (1) Feedback Score: 1 reviews	Try pressurizing the system and listening for air leaks __________________ Z32 with lq4 swap Desert Street Scene \|\| Dssevents.com

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07-17-2016, 09:27 AM	#7
jedi03 Nissanaholic! Join Date: Jul 2008 Location: albuquerque Posts: 1,842 Trader Rating: (8) Feedback Score: 8 reviews	Try adjust iacv an make sure throttle closes aka throttle cable isn't stuck