20 Most Recent 1999 Chevrolet Tahoe Questions & Answers

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99 Chevy Tahoe... Rear turn signals, brake lights, and hazards

I had this problem, and to be honest, it happened to the left side about a week later...it's the board that the bulbs plug into...it's a very common problem with this model. So popular that you can normally get the socket board off the shelf at a parts store! it's extremely simple to replace, and I replaced all the bulbs at the same time!
9/15/2022 9:53:13 PM • 1999 Chevrolet... • Answered on Sep 15, 2022
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1999 Chevy tahoe won't start.

Disconect the fuel fed line into the fuel lug that runs the fuel injectors,check for pressure ther,also try to listen for the fuel pump kick in when the ignition is on possition.
3/7/2022 8:47:37 PM • 1999 Chevrolet... • Answered on Mar 07, 2022
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1999 Chevy Tahoe- Soft Brake Pedal

Try having the dealer flush and bleed your system. It is very hard to bleed ABS systems yourself and have safe brakes that still work afterward. Bleeding non-ABS brakes yourself is easy not the same for ABS brakes. Valving, sensors and what-not require a tech and the correct equipment in my opinion. You do it wrong and you could ruin your ABS system. Do that and see if they firm up. I replaced my brake shoes/pads at the same time all new everything in back, drums/springs everything and new rotors up front. then I had the chevy dealer flush, refill and bleed system. Stiffer pedal and brakes work better. Keep in mind the brakes on 99 Tahoes are inaedequate, require new rotors often, heat up and fade/glaze pads regularly. I replace my pads long before they wear down because they glaze up and start fading early. I'll rough em up once maybe, next time, new ones. Every two brake jobs, new rotors for me. Just how it is. They will stiffen a bit and work better but they will never be awesome brakes. Just how it is on 99 and earlier Tahoes. Hope it helps. Very important to bleed correctly though. I'll bleed my 83 Toyota 4x4 myself but not the Tahoe.
11/29/2021 10:24:30 PM • 1999 Chevrolet... • Answered on Nov 29, 2021
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99 Tahoe. Left side signals flash. Right side does not but both front and rear bulbs are on.

If the bulbs are lighting but not flashing it is probably the flasher unit relay or a faulty signal switch. Have you checked to see if they flash using the Hazard light switch? Relays are usually a cheap part so try replacing it.
10/19/2021 4:21:24 PM • 1999 Chevrolet... • Answered on Oct 19, 2021
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99 Tahoe will only crank when eng-1 fuse is pulled out. What's the issue

Eng 1 fuse 20 amp feeds battery voltage to the camshaft position sensor . It's possible you have a shorted cam sensor . Don't pull engine 1 fuse . but instead disconnect the cam sensor .
10/12/2021 10:26:18 AM • 1999 Chevrolet... • Answered on Oct 12, 2021
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I got a 99 tahoe 5.7 vortec with multiple misfires

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.
9/19/2021 12:18:07 AM • 1999 Chevrolet... • Answered on Sep 19, 2021
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What cause engine code P0305, P0336, P0339, P0430, P0141, on a 1999 Chevrolet Tahoe 5.7L? the engine will crank but will not start the spark plug wire is not firing but the coil wire is firing.

change plug wire --the 336 - 339 pertain to Crankshaft Position Sensor "A" Circuit Range/Performance --Crankshaft Position Sensor "A" Circuit Intermittent your no start can be caused by your problem with the sensor or its wiring as to the 430 -- thats cat converter problem which san be caused by the 141 code which is O2 Sensor Heater Circuit --you have some kind if wiring /problem with the last 4 check and look for damaged or disconnected sensors harness --then test the sensors
7/26/2021 8:45:28 AM • 1999 Chevrolet... • Answered on Jul 26, 2021
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I have a 99 chevy tahoe that I bought. It had a prestige remote starter/ alarm in it. When remote starting, it starts and shuts off in 5 sec. What is the issue?

The fact that is has an aftermarket remote start is the issue. They tend to cause more problems then they are worth
2/13/2021 8:18:06 PM • 1999 Chevrolet... • Answered on Feb 13, 2021
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I changed igition switch in my 1999 chevrolet tahoe now it cranks up cuts off in seconds and the secutity light flashing

I never had this problem with my truck but it sounds like it could be a bad connection signal from the new switch and the computer box that's causing the security light to flash. I know that switch has to be connecting properly in the steering column or it can give off a bad signal. it could also be a bad new switch
1/2/2020 4:05:18 AM • 1999 Chevrolet... • Answered on Jan 02, 2020
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1999 Tahoe location for headlight fuse

It is in the power distribution box under the hood, left/drivers side.
6/30/2019 10:19:54 PM • 1999 Chevrolet... • Answered on Jun 30, 2019
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99 tahoe turns over but wont start. Pulled spark plug and grounded to see spark; this is successful. Fuel pressure at 58. I'm stumped

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.
4/20/2018 12:17:39 AM • 1999 Chevrolet... • Answered on Apr 20, 2018
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1999 tahoe intermittent missfire at idle

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.
2/12/2018 9:24:51 PM • 1999 Chevrolet... • Answered on Feb 12, 2018
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My 1999 Tahoe stopped running while in drive after

Fuel pump relay may be failing. Try switching it with the horn relay.
11/13/2017 3:46:45 PM • 1999 Chevrolet... • Answered on Nov 13, 2017
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