20 Most Recent 1999 Chevrolet Tahoe - Page 9 Questions & Answers

If the battery discharges by leaving it shut off you can rule out the belt or the battery terminals. The battery is new so it shouldnt be bad, and you have had it tested along with the alternator so both of those should be ruled out as not being problematic. It sounds like you have a massive parasitic drain in your electrical system. Ultimately something is closing the loop between the + and the (-) sides of your battery via your extensive electrical system. Granted, finding the source of the problem will be headache lol. Hope this helps

1999 Chevrolet... | Answered on Mar 19, 2014

The symptoms are a little vague to help you well. I know that you have a 1999 Chevy Tahoe. The engine will crank but won't start. There is spark and you have double checked the timing. I don't know what you mean "The coolant pushes out hard". It sounds like you are saying that the head gasket has failed and when you crank the engine over, coolant is pushed out of the radiator. Primarily an engine needs fuel and spark, to run. Would you write back with more details. How is the fuel pressure? Did I interpret the coolant description correctly? If I did then I think we both know that needs to be taken care of first. I hope that helps, please write back with any updates or new questions, good luck.

1999 Chevrolet... | Answered on Mar 17, 2014

The diagram below shows everything that runs on that fuse. Check the wiring on these items for a short. If wiring is good, there is a simple way to see which item is shorting out. Unhook all the connectors (don't unhook the VCM) and put a fresh fuse in. Turn the key on--does the fuse still blow? If yes, there is a short in the wiring. If no, the short is in one of the items you unplugged. Now pulg them back one at a time with the key on. Check the fuse after each item until it is burned. Then you will know which part to replace. My first guess would be the coil. Let me know if you can't find any of these or if you have other questions.





1999 Chevrolet... | Answered on Mar 17, 2014

If the bulbs are good, it could be the brake light switch, or the turn signal switch. The third brake light bypasses the turn signal switch.

1999 Chevrolet... | Answered on Mar 09, 2014

You probably broke the handle. I've had to replace the the handle on my '96 suburban several times. The handles give out after awhile. The are made of cheap aluminum pot metal. You can get a whole handle unit for I think around $20 online or at a local parts house. The take down of the door panel is fairly easy if you are handy with a screw driver and have a bit of finesse. I even took apart the two units to save the blue interior part so that I kept the original matching color. You'll start noticing the opening of the door getting harder and harder until one day you can't get it open, and then you will have to change it .

1999 Chevrolet... | Answered on Mar 08, 2014

Hello. On a turn signal if the light turns on when the blinker is moved to the left or right, more than likely it is a turn signal flasher. Make sure bulbs are good. If it is a bad bulb the flasher would flash faster. Check flasher. good luck

1999 Chevrolet... | Answered on Feb 23, 2014

The rubber boot is a good place to start, and see if that solves the problem.

1999 Chevrolet... | Answered on Feb 07, 2014

this is one of those situations that a professional diag would of saved you alot of money. Its possible you just got bad gas and your injectors are partially clogged. An 02 sensor would not give multible misfires. EGR would only misfire at idle if stuck partially open since its suppose to be open cruising. Fuel filter would give you a starvation issue but if the misfires happens at idle then the filter most likley is ok.
Data from a professional data scanner will store the conditions when the misfire occurs. Also for a chevy each cylinder will have a misfire counter and one can see the misfire happening as it happens. If its idling and misfiring and gets better as you rev it up most likely you have clogged injectors or a intake vacuum leak. You can test for a intake leak by spraying the intake area with water(idle will faulter if it draws water in), or use brake cleaner (idle will raise when fluid gets drawn in).

If no leaks are found I would do an injection service or at least add two bottles of techron to a full tank, drve till half a tank then top off again.

Also if the catalytic converter is clogged the backpressure could cause all sorts of misfire issues. Removing the two upfront 02 sensors and driving will indicate the exhaust is clogged or not. We put a pressure sensor in place of the 02 sensor. If the pressure is above 5psi this would indicate some blockage. It should be below 3psi at 2000 rpm. Also if you have K/N filter the oil from it will coat the maf sensor wires in time,, (always). You can remove the sensor and spray the wires with brake cleaner to clean. DO NOT touch them. They can be brittle. Look at the wires for color. They should be shiny silver. If its coated the PCM will not see the air volume or accurately see the air temperature. Without this information the PCM will not add enough fuel which will create a misfire.

1999 Chevrolet... | Answered on Jan 31, 2014

check the rear diff, pull the cover and check for tightness th back-lash could be off or could be tore up

1999 Chevrolet... | Answered on Jan 25, 2014

It is in the limp power mode because of a failure in the sensor system. Run fault codes and replace any thing found faulty.

1999 Chevrolet... | Answered on Jan 08, 2014

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