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Pickups Toyota Tundra Toyota Truck Owners: Problems & Solutions 
598 messages, Last post on Nov 26, 2006 at 9:22 PM
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HELP! Can't find the problem with my 2000 Toyota Tacoma 2.7L 4WD with 175k miles... Problem description: 1 - Power loss when rpms go over 3000rpm after warming up, usually 10-15 minutes of driving. 2 - Truck runs great when cold. The fact that it runs great when cold is what seems so puzzling on this problem. 3 - The truck will not rev over 3000rpm after it warms up. Its almost like it has a governer or something. Sputters and cuts out. 4 - Happens regardless of uphill or downhill, grade has nothing to do with it. 5 - Happens in any gear and\or neutral, same thing, over 3000 rpms, cuts out like its not getting gas, coughs and chokes over 3000rpm. No power whatsoever. 6 - Cleaned the MAF (mass air flow - the small sensor between the the aircleaner box and throttle body) and cleaned the throttle body (with throttle body cleaner) after those cleanings the truck seemed to run smoother and a little stronger but ended up doing the same thing after warming up. 7 - unplugged the battery (thinking we could "reset" the problem if it was computer related, same thing. 8 - Installed new fuel filter, still having problem. 9 - Talked to a toyota mechanic, he said to clean or replace the MAF which we did. 10 - Fuel pump? Toyota mechanic said we'd be able to hear it and should be be more noticable if the truck is going up hill, this can't be the problem... 11 - Visual inspection of plug wires, they look good. They have the year 1999 on them. Thought about changing these but that wouldn't be making this problem happen? only after warming up? Trying not to spend a small fortune replacing parts and finding it doesn't end up fixing the problem... 12 - Stop off for gas or shut it off for about 5-10 minutes and problem disappears until it warms up again. Temp gauge normal. How weird! Thanks for any help anyone can offer. Power loss, cuts out and acts like not getting fuel anytime over 3000rpm!!!! HELP! Can't find the problem with my 2000 Toyota Tacoma 2.7L 4WD with 175k miles. Problem description: 1 - Power loss when rpms go over 3000rpm after warming up, usually 10-15 minutes of driving. 2 - Truck runs great when cold. The fact that it runs great when cold is what seems so puzzling on this problem. 3 - The truck will not rev over 3000rpm after it warms up. Its almost like it has a governer or something. Sputters and cuts out. 4 - Happens regardless of uphill or downhill, grade has nothing to do with it. 5 - Happens in any gear and\or neutral, same thing, over 3000 rpms, cuts out like its not getting gas, coughs and chokes over 3000rpm. No power whatsoever. 6 - Cleaned the MAF (mass air flow - the small sensor between the the aircleaner box and throttle body) and cleaned the throttle body (with throttle body cleaner) after those cleanings the truck seemed to run smoother and a little stronger but ended up doing the same thing after warming up. 7 - unplugged the battery (thinking we could "reset" the problem if it was computer related, same thing. 8 - Installed new fuel filter, still having problem. 9 - Talked to a toyota mechanic, he said to clean or replace the MAF which we did. 10 - Fuel pump? Toyota mechanic said we'd be able to hear it and should be be more noticable if the truck is going up hill, this can't be the problem... 11 - Visual inspection of plug wires, they look good. They have the year 1999 on them. Thought about changing these but that wouldn't be making this problem happen? only after warming up? Trying not to spend a small fortune replacing parts and finding it doesn't end up fixing the problem... 12 - Stop off for gas or shut it off for about 5-10 minutes and problem disappears until it warms up again. Temp gauge normal. How weird! Thanks for any help anyone can offer. |
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Replying to: sarniasting (Feb 23, 2005 6:26 am) |
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Replying to: mustang_mhs (Feb 24, 2005 8:41 am)
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Replying to: mustang_mhs (Feb 24, 2005 8:41 am) Good luck, TakeOut |
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My oldie 84, with 86K, 4 cyl, 22R, first year of the electronic controled 4 spd auto, has a prob with the Charge light and Brake light both staying on after the car is started. I am getting regular battery voltage of about 11.5 to 12.8 volts all the time. The voltage at the Altenator output is the same, all the time. My son, says that the alternator always should be putting out 13.5 to 14.5 volts when the car is running. I said that the regulator will turn off or lower the output from the alt when batt is charged. QUESTION: Does the alt reduce it's output voltage wise, when the batt is charged? or does the voltage at the output terminal always stay at 14 volts roughly? Thanks for reading. TakeOut |
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Replying to: takeout (Feb 24, 2005 2:44 pm)
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Replying to: takeout (Feb 24, 2005 2:44 pm) That way, you'll know for sure. (My bet is the alternator is going bad but I've seen alternators mess up when the battery is going bad....so the check will let you know.) Good Luck! Boo
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Replying to: mustang_mhs (Feb 24, 2005 8:41 am) |
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Replying to: cooch (Jan 20, 2005 4:09 pm) |
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Replying to: engineerboo (Feb 25, 2005 6:52 am) My son-in-law volunteered to do it since my foot is injured, and will take it to get it tested. TakeOut |
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