Recent content by aa1a

I need the upstream O2 sensor for my 4runner. I can't find the right one. Toyota says it is discontinued. It is a 99 V6 4wd With California emissions. The problem is it is a 5 speed. The wire pigtail is 24 inches long. None of the aftermarket sensors have the long pigtail. Has anyone else had...

Thank you Dirk for the info. You saved me a lot of pain. I'll get some stainless nuts too. Did you do the rear sensor also? I understand the front one affects the fuel mileage. I had a check engine light a while ago but cleaning the MAF fixed that. The dealer replaced one sensor at 100k miles...

I have a 99 4runner, 4wd, 3.4l, 5 speed, California model. It has 245K miles and still going strong. But it guzzles fuel. Maybe the 45 mpg in the Prius has me spoiled. Anyway, I've cleaned the MAF and I want to replace the front O2 sensor. I am looking for one online. I can't find one that is...