Question about 2001 Toyota Tundra
Engine starts with no problems at the first turn of the key. But when I quickly shift into drive it starts to stutter really bad and/or just completely dies. What I have learned to do is turn the engine on then wait about 2 or 3 minutes and then shift into drive. Usually is it fine or it stutters slightly. Once the engine is running there seems to be no problem. Has anyone experienced this before? I would like to fix this problem before it really becomes more of a major issue.
Check the actual ohm readings for tps sensor to manufacturer specs. Sounds like the tps sensor is out of range. Sometimes the o2 sensor gives a false reading to the ecm which causes the tps malfunction. Doubt seriously if it electrical short. Bad ground maybe.
Posted on Jul 30, 2009
You may have an intermittent slow response on the rear O2 sensor, I'm not sure if you have a pre and post O2 sensor, off the top of my head, but I would get the system hooked up to a monitor to see if there is any pending codes (big change over from 1994 to 1995). Is it an OBDII system? As far as the stumbling, I have a 91 silverado with a 5.7L engine and it's had a very light stumble at idle since new, day one, and every sensor is on target, idle, 1000 rpm, 2000 rpms, 3000 rpms, and still has a slight stumble with all sensors within range. To this day it still has a slight stumble but it still runs great, Good luck, Gary
Posted on Jul 27, 2010
Testimonial: "Thanks. I replaced the pre sensor, but still have to replace the post. I will try that and see what happens. Appreciate the help. "
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