Question about 2000 Chevrolet Tahoe
The fuel additive may have set a rich or lean code . How many miles ago did you put the additive in ?
Posted on Aug 11, 2017
Most auto parts stores will check your engine codes for free. Check them and see what codes pop up. Emission codes can pop up whenever and out of nowhere. But it could be 100 different things unrelated to what you've done recently.
Posted on Aug 11, 2017
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Posted on Jan 02, 2017
SOURCE: Check Engine Light
There are many many problems that can cause your check engine lite to come on. Some of those problems will not let the lite go out until it is cleared with a handheld computer. (Even if the condition that caused the lite to come in, has cleared) But as far as the 2 comments go, a fuel injector cleaning would be a good invsement here. It is a good possibility that this is your problem and if it isn't, it is still very good for your engine performance and fuel consumption so wouldn't be a bad investment. If your vehicle is still under warrenty I would also talk to dealer about reading computer. Even if the check engine lite is not on, some codes will store in the computer that it came in and cleared so the dealer would be able to tell you what code came in to cause the lite to be on. It would at least be a starting point to look at for troubleshooting.
Posted on Aug 16, 2008
I posted a solution for another person with an Impala that had a problem with the car intermittently not starting. If you can find that post and follow those instructions that will solve your not starting problem. As far as the check engine light coming on the other persons are correct. It is much better to go to an Autozone and have them pull the trouble codes. Once you have those and can post them then one of us can give you some advice as to how to solve the problem. You can also take it to a professional garage and they can check it out and give you more detailed one on one professional advice as to what the problem is. If you just guess at these things you can spend a lot of time, money, and frustration for nothing. Good luck!
Posted on Feb 12, 2009
sounds like you have a bad fuel gauge sending unit common problem it is located inside the the fuel tank with the fuel pump Auto Zone should be able to pull codes to verify this it should say you have a bad fuel level sensor code
Posted on Jun 05, 2009
Have a dealer or garage check your Oxygen (O2) sensor. As a quick fix, try disconnecting and reconnecting your car battery. Sometimes this will reset the check engine light.Good Luck!
Posted on Aug 01, 2009
All these code's are to your transmission, your mech needs to do more then pull code's, he needs to look at date on sensor to transmission before opening.
P0740 - Torque converter clutch solenoid circuit
P0758 - Shift solenoid (B) electrical
P0785 - Shift timing solenoid
P0761 - Shift solenoid (C) performance or stuck off
I would try Trans - X first pores right in to trans.
Posted on Jan 15, 2010
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