20 Most Recent 1999 Chevrolet Tahoe Questions & Answers


It is probably the TPS(Throttle Position Sensor) or the IAC( Idle Air Control Valve)
They are not very expensive, I buy mine from AutoZone. Not always but usually they will throw a check engine light. If so let A/Z put their machine on it, that should help pin point which one it is. Just thought of something else, if your is on the passengers side it could be the EGR Valve Selinoid. Hope this helps you.

1999 Chevrolet... | Answered on Sep 27, 2019


It's 20A CIG LTR FUSE 13 in the I/P fuse block.

1999 Chevrolet... | Answered on Jul 21, 2019


It is in the power distribution box under the hood, left/drivers side.

1999 Chevrolet... | Answered on Jun 30, 2019


I think that fuel pressure may be too high - the injectors work over a vary narrow pressure range. The regulator output may be blocked, or the pressure may just be too high for the injectors. I would start by replacing the regulator.

1999 Chevrolet... | Answered on Apr 20, 2018


You could have a plug wire periodically leaking voltage to ground if the wiring is not properly installed, or a problem with your distributor/rotor, but could also be caused by many other sensors (such as a faulty crankshaft sensor) or problems with your fuel system (filter, regulator, etc.).
I would check these plug wires carefully for contact with the engine and good connections at the distributor/plugs, and also add a good quality fuel system cleaner (gas tank additive) before going on with troubleshooting.

1999 Chevrolet... | Answered on Feb 12, 2018


Fuel pump relay may be failing. Try switching it with the horn relay.

1999 Chevrolet... | Answered on Nov 13, 2017


Best Manuals You'll find solution to your technical problems here.. Happy to help :)

1999 Chevrolet... | Answered on Nov 08, 2017


indicates a crank/cam position sensor problem
run the fault codes to determine the exact sensor failure

1999 Chevrolet... | Answered on Oct 28, 2017


Automatic or manual transmission ? tumbler sends voltage ??? What tumbler ? Ignition switch ,when it start position sends B+ voltage to the crank fuse in the insturment panel fuse box ,from there it goes transmission range switch,if in park or neutral it then goes through the relay pin 86 at the relay socket base . With the key in start you should see B+ voltage there . If not ,try moving the gear selector to neutral . if you still don't see B+ voltage , find the trans .range switch an check it.

1999 Chevrolet... | Answered on Sep 27, 2017


Sounds like you aint getting no spark, spark plugs or cap is what I would check.

1999 Chevrolet... | Answered on Sep 22, 2017


The usual procedure is to disconnect the electrical connectors, remove the fuel rail nuts, pull the rail up, and then replace the injectors. Is this not the procedure you used? We need to know more about the circumstances to help you.

1999 Chevrolet... | Answered on Sep 08, 2017


Check the door switches and fuses for a problem.

1999 Chevrolet... | Answered on Jul 14, 2017

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