Having problems with your Toyota 4Runner ?
Have a 1886 toyota 4 runner sl. When the engine is cold, it starts up fine. If I drive it for 35 to 45 minutes and the engine gets really warmedup(hot),and then I turn the key off,,,,5-10 minutes later when I go to restart it, it wont kick over,but if Im lucky and I got the pedal to the floor and cranking it like crazy,it might turn over,but if it does turn over at this point, it runs horrible, hessitates bad,runs real rough and even stalls out. If I have it in drive and i have enough space in f
The o2 sensor is just a messenger,it should not cause this problem.I would check the pressure regulator,and the return line to the tank,if the regulator is not allowing the fuel to return to the tank,or the line is blocked to the tank on the return,then the fuel will be forced threw the intake,If you can have the codes read to narrow it down,the o2 sensor may even read rich burn.
Repair Help & Product Troubleshooting for Toyota 4Runner
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