My 90 4Runner 3VZE has a random engine light coming on that checks as code 41. When the light comes on it will not downshift and feels like it has lost power. The TPS was changed around six months ago. The connector has continuity. The engine light comes on and then goes off when you stop at a...
I found the problem with the rough running! One of the spark plug wires installed by the previous owner was melted to the EGR valve. Changed the wire and now it runs perfect until it warms up. As soon as it warms up the idle fluctuates when you are sitting still. Any ideas?
Thanks for the ideas! The fuel filter is new and we changed all of the vacuum hoses that looked old or cracked. Is there an easy way to check the fuel pressure?
Hi, my 1990 4Runner 4x4 3.0V6 is acting up. When I first start it the idle fluctuates a little. If I don't let it run for five or ten minutes it stalls and runs rough when accelerating. When it's warm it runs fine; any ideas would be appreciated.
