ohm check fuel injectors

A Q45 forum / Cima forum for the President of Infiniti's lineup. Brought to you by Infiniti Parts USA, your OEM source for Q45 parts!
kevinpaigeking
Posts: 34
Joined: Thu Apr 16, 2009 5:00 pm
Car: 1994 Infiniti Q45

Post

I tried to ohm check my injectors, following the instructions in the tech page. Was not able to get any reading. With 8-pin jack unplugged, and volt meter set to 200k, why am I getting nothing. Should my ignition be in the on position?


User avatar
Q451990
Moderator
Posts: 11033
Joined: Tue Jul 23, 2002 8:21 am
Car: 1990 Q45 - 118K, 2022 Toyota 4 Runner, 2004 Frontier M/T - 108K, 2012 Xterra (Mom's), 2023 Rogue (Inlaws)
Location: Columbia, SC
Contact:

Post

Yes... turn the ignition on. The 90-93 injectors weren't on a switched circuit, but the later ones are... not sure of the exact year changeover, but I think it was '94.

I'm not sure what ranges your multimeter has, but I would set it to the one with an expectation of getting about 14 ohms. Many meters have an "auto" setting...

Heath

User avatar
lino
Posts: 3533
Joined: Mon Aug 15, 2005 7:48 am
Car: 1991 Q45a Fed-Spec, IQP/White, Texasoil 9 Accumulator Recharge, '93 TCU 1st Gear Start, JWFSB, B&M 70268 Transmission Cooler, BBS Forged Wheels, DRLs, Silverstars, Tint, Very Well Serviced.
Contact:

Post



Return to “Q45 Forum / Cima Forum”