Search found 3 matches

by blakestreet
Sat Aug 20, 2016 1:14 pm
Forum: Diagnostic discussion
Topic: High tension leads with skinny plug wires
Replies: 1
Views: 909

High tension leads with skinny plug wires

Hey everyone, I brought my pico and laptop home this weekend to practice and I was taking some "good waveforms" last night on my 2000 toyota 4runner with the 2.7. My car runs just fine, no misses, but I had a hard time getting a consistent secondary ignition pattern with the high tension leads on th...
by blakestreet
Sat Aug 13, 2016 3:26 am
Forum: Diagnostic discussion
Topic: Scope for a leaky injector?
Replies: 2
Views: 1334

Re: Scope for a leaky injector?

I had some more time with this Villager this morning and was able to do a current ramp of all the injectors from the fuse box, with a voltage synch to use the firing order. I found that all the injectors had bad current waveforms especially 2 and 5. I recommended, with confidence, to replace all 6 i...
by blakestreet
Fri Aug 12, 2016 3:08 am
Forum: Diagnostic discussion
Topic: Scope for a leaky injector?
Replies: 2
Views: 1334

Scope for a leaky injector?

Hey everyone, I am suspecting 1 or more leaking fuel injectors on a 1997 Mercury villager 3.0 (this is a Nissan Quest platform). This has a consistent miss at idle and off idle, with total fuel trims at -20 to -25% and has failed emissions for HC and CO. It seems to clear out under heavy acceleratio...