Yes. The Fuel/Air Sensor located upstream of the cat(s) will most definitely throw a CEL code if it fails or it detects abnormal exhaust values. Most of the time, the sensors pre-heat function fails which will throw a CEL code.
Exactly what happened when I cleaned my 4Runner (3.4L engine). Very light hose spray followed by simple green, brushing, then another light spray of rinse water. I always start up immediately thereafter. Has always worked 100% on my 2.7 Tacoma engine with never a problem. BUT.........Water...
Try this: DENSO P/N- LA990009-2411.2 This was the part number from my paperwork that came with my replacement radiator changed 9/2012. My 4Runner is a 2001 SR5 V6 FWD. HTH, Good Luck.
I just bought all the parts (or so I thought) to install the OEM type foglights on my 2001 SR5 4Runner. I need the L-shaped brackets that secure the foglights to the underside of the bumper. They did not come with the light assemblies. So I'm gonna ask if anyone might have a p/n for these...
For you guys with factory installed fogs on your 3rd gen, I have a simple question. Does your dash have a light indicating when the fog lights are "on" ? This is for vehicles with the left stalk (headlight)mounted on/off switch.
The first component I would check would be the relay. It sounds like it is latched closed (stuck on). Do you have another relay you can try? Good luck!
Try 'LPS3', It's From the maker of LPS1 lubricants. LPS3 is a very thick aerosol spray (caramel colored) which when applied to a clean dry surface will bond and keep out corrosion. I work on Boeing and Airbus aircraft for an airline. We use A LOT of this product and it works very well. Not...
Based on your description, I'm thinking that your seat attach points are tensioned so as to be binding the drive motor for the seat adjustment. Back off all your seat mount bolts and start over by tightening each bolt in sequence like you would a engine cylinder head. This should solve the problem.