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K1500 Suburban

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Question
99 GMC SUBURBAN running lean and starving for fuel when stompped on.
Hi there. Is there a check engine light on? If so, what are the codes, freeze frame data? Stored codes and data will aid in diagnosing what is occurring. What does the data look like from the O2 sensors? Which...
Question
Ignition fuse keeps blowing
The ignition circuit fuse blowing and the problem with the blower motor are almost undoubtedly not related. In particular, if the blower motor works, on any speed, while at the same time the ignition circuit fuse is blown or otherwise...
Question
Makes brake fluid is black
Brake fluid accumulates moisture and contaminants over time and consequently the fluid should be replaced about every 35,000 to 50,000 miles. To service the fluid you can request a brake system flush and refill. If you request that service, the...
Question
My 99gmc suburban backfires in the throttle body, won't start.
If you were getting a rattling noise in the lower front of the motor then you engine may have jumped timing. The timing chain may have been so worn that it jumped ignition timing between the crankshaft and camshaft. That...
Question
I have coolant in my lower intake manifold after replacing the gasket in my upper manifold in my 1996 Chevrolet Suburban.
Hi there. If you have coolant in your lower manifold also then at the very minimum you need to blow it out with compressed air. I would recommend removing the lower manifold also to make sure that you get it...
Question
No fuel between schrader valve and spark plug.
Hi there. The spark plugs may be sparking, but there is not enough energy to ignite any type of fuel. I recommend replacing the spark plugs and wires and retesting. The fuel rail could have an obstruction in the line...
Question
Every time I droves 40 or 50 and apply to the brakes,my front end shakes what can this be
The most common cause for a pulsation when the brakes are applied is warped rotors. The brake rotors will wear over time and the brake rotors are a perishable item. The rotors can warp due to excessive wear, using the...
Question
My transmission jerked when I took off and then about half of mile down road stopped pulling. Rpms rared and speedometer dropped
With 180,000 miles, it's possible the transmission has failed. Has it been maintained according to the owner's manual ? A good rule of thumb is to service the transmission every 4 years or 50,000 miles. If the fluid level or...
Question
When the engine is placed under load it backfires and dies.
This may be a sign of a faulty MAP sensor as the vehicle responds adversely to a load put on the motor (i.e. putting it in gear, making turns (which makes use of the power steering pressure switch) turning on...
Question
Fuel gauge only rises to half tank when completely filled
This is a problem likely related to your fuel tank sending unit. The fuel gauge sending unit is a small float type component (or sensor) inside your fuel tank that measures the level of the fuel inside the tank. As...
Question
My z71 chevy k1500 is bogging out when accelerate. It idles good just no power when you punch it
It sounds like you may have a fuel supply problem in getting the proper amount of fuel to the fuel injectors which may be caused by a bad fuel pump or potentially faulty fuel injectors. This can happen when the...
Question
1999 chevy K150 suburban electrical problems
Hello, thank you for writing in. There are several components that will attribute to electrical issues like this. Generally speaking, when you have issues with several electrical systems at once, and not just one or the other, the charging system...
Question
Appointment reschedule
Hi Joshua, I am sorry to hear that your experience was less than ideal. Service quality is highly important to YourMechanic and this is not the experience we strive to deliver. Appointment availability can fluctuate, for further assistance with this...
Question
My 99 chevy 1500 4x4 suburban shifts into second but it feels like it dose not grab well and at four grand shifts nicely into thir
It sounds like you may be experiencing a major transmission issue. I would strongly recommend enlisting in the assistance of a qualified professional to diagnose your transmission issue. As for the brake issue, it is possible that you could have...
Question
Part question 93 saburban
Yes this engine has a screen below the oil pressure sending unit that may get clogged with engine sludge and will need to be removed using mechanical fingers and spray some carb cleaner in hole to loosen the screen so...
Question
I have a 1999 Chevy surburban the tires appear to be good but when I turn a hard left or right it seems to rattle and move slower
A shudder when turning all the way one direction or the other can be a result of low power steering fluid pressure. This can be caused by several different issues from a loose drive belt, to a bad pump, to...
Question
where do the springs go when your installing rear disk brakes on a GMC SUBURBAN 1999 1500
Hi Joanna. This video should provide you with some good advice and tips on how to correctly install your rear brakes on the Suburban.
Question
Car has erratic cranking but won't start. Has spark n can hear the fuel pump n no cel is on
If by "erratic" you mean the starter motor is not working properly, that fault should be resolved first. There could be a starter motor or starter circuit fault. If the starter is working properly, and thus the engine cranks at...
Question
Heard Popping Sounds After Key Removal
If your truck has automatic climate control, what you heard could have been the air diverter doors moving back to their default position. We used to joke about some cars sounding like there was a little guy inside the dashboard...
Question
I have a 1993 GMC Suburban and the key will only turn forward like to start. It is in park but the key will not turn back to stop
Hello, thank you for writing in. Your key cylinder, or ignition cylinder, has likely failed. They can also get dirty and collect debris inside that may restrict them from working properly. The best option is to attempt to clean it...

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