Recent content by sippyCUP

Fuel trims are really pretty good, LTFT is close to zero all the time. Sometimes goes a little lean, like 2.

No IAC valve.

Been playing with my 2005 Nissan Frontier 2.5L (engine is QR25DE) with a 5spd transmission and 180k miles. Dealing with P0507. Idles around 1500 RPM, then when it gets good and warm (minimum 20m driving), the idle will surge from 1500 to 2000, then back to 1500, then back to 2000... Stuff I've...

Yes it is a QR25DE engine. I replaced the seals and then watched them as I snugged up the box on the two studs is mounts to (man that was not fun), so I am reasonably sure the gaskets all stayed in their spots, but yes, something I could check on. Also yes, I did use a torque wrench to the...

I tried googling it but it got confused with "image" = "IMG", what is IMG? Ignition module grounding?

So I have a ThinkOBD 100 and I'm learning right now how to read the live data so I can figure out the fuel trim situation. It seems like I can hear a hissing noise but it's tough, I need to work more on that.

Hey everybody, long time lurker, first time poster. Have a 2005 Nissan Frontier 2.5L with 5spd manual, 180k miles. Been a great truck overall. I will admit to stupidly allowing engine oil level to get very low earlier this year, this has been my only sin. Restored oil to 5qts upon discovery. I...