Recent content by Biologist

I got time to work on it this weekend and used clips and hooked up my ohmmeter to the two outside pins on the throttle position sensor. Then I slowly moved the throttle by hand. At the starting bottom range there is a dip of non-linearity in the resistance. It starts at say 0.54 (sorry can't...

Thanks for the replies so far. I have no check engine light on and no codes. The spark plug type I can't remember, probably Autolite Platinums, I will have to check when I get home. The wires are just ebay spark plug wires but they seem to work when I test with inline spark tester. I will...

I have a 1999 4Runner with about 250k miles. It runs really well except for one problem. On long hills it will start doing this engine miss or torque converter coming out of lockup thing. It feels like when the fuel pump on a car is going out and it just kinda slams and reconnects. I don't...

The 4Runner is fixed! Thank you to everyone for all of the suggestions. I checked the spark plug wiring with TheDurk's diagram and somehow someone in the 4Runner's previous life had switched the #4 and #6 spark plug firing. How anyone could do this and not realize they had done something...

Thanks everyone for all the help. I am going to rent a compression tester tonight at Autozone and also get a mechanic's stethoscope at Harbor Freight and listen to the the injectors and make sure they are all working. I read of some other people having problems like mine that were caused by a...

I will buy a compression tester and check it out.

I bought an inline spark tester from harbor freight and tested all those cylinders and the spark is good, the light lights up and flashes and increases in frequency when I increase the rpms.

Hello, I bought a 1999 4runner with ~250k miles and the 3.4L V6 yesterday and it has a very bad misfire problem. Codes I am getting are P0300, 302, 304, and 306. So the entire driver's side bank has misfires. The car idles horribly and gets bad gas mileage and has no power. I have changed...