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C1500

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Question
I have a 1998 Chevyc1500 once I crank it will randomly rev/accelerate and then it stops reving.
Hi Zoe. Thanks for contacting us today. In most cases, this type of problem is caused by a dirty throttle body, as carbon build-up and debris becomes trapped between the throttle blades. It can also be due to a damaged...
Question
My 1996 2wd v6 chevy 1500 silverado is backfirng, has little black chunks spit from exhaust pipe and shakes pretty bad when driven
Hi Dawn. Thanks for contacting us today. Usually the symptoms you are describing are caused by a clogged or damaged catalytic converter, a vacuum leak or an exhaust leak. It's also possible that your fuel system is clogged with excessive...
Question
Truck does not start after sitting for a couple hours it's acting like it's out of gas but with a full tank i have to choke it off
I believe these vehicles actually have throttle body injection. These systems on many GM vehicles are commonly failed items on the engine. I would recommend having a technician who is proficient in diagnosing throttle body injection issues inspect your throttle...
Question
brake light won't turn off and it won't shift out of first gear
Hi Jose. Thanks for contacting us tonight. Generally speaking, changing brake pads, bleeding the lines or other brake service has nothing to do with the operation the transmission. So i don't think the recent service had an impact on the...
Question
Engine stalls when clutch is released, unable to push while in gear with clutch pedal depressed
This may suggest the transmission synchros may be wearing out. Your transmission has small gear synchronizer rings that help to move the transmission in and out of the various gears. When these begin to wear out, you may notice it...
Question
Blown head gasket 96 gmc 1500 pickup ,what is the best liquid sealant , blue devil ,steel seal ,etc
Hi Mike. Thanks for contacting us today. Any high temperature sealant will work the same on head gaskets and valve covers. As long as you've already completed the head gasket replacement and the cylinder head or engine block is not...
Question
Gas Mileage
Hi Tyler. When you're at higher altitude, you're going to get worse fuel economy across the board due to the increased altitude. However, the thing that makes it even worse, is playing with aftermarket tuners and what I refer to...
Question
My truck is a 1992 Chevrolet Silverado with a v8 2 valve engine and an automatic transition but it won’t go in reverse. How do I f
The first thing to check is the fluid level and smell the fluid for it being burnt. If it is low the top it off. If it is burnt then the damage is to the reverse bands inside and will...
Question
High idle 1500 rpm
I would look again real carefully for air leaks. Some of them can be pretty tricky. There might be a leaky component or even a leaking brake booster. A can of carb cleaner can help with this, but you'd better...
Question
Do i have to take dash apart to check the wiring to the temp gauge
Hey Joshua. On C1500's, there are two ways - removing the dash or accessing the wiring to the gauge from the firewall. If you're going to attempt this, I strongly recommend buying a service and repair manual for your C1500....
Question
Temp gauge not working changed sensor and switch..truck isnt overheating
Hi Joshua. Thanks for writing in today. In most cases, when a gauge is not working, and the collection systems are working well, it's either a damaged or exposed wire that connects to the gauge that is the source. The...
Question
Transmission not shifting properly
This may be a result of low transmission fluid or potentially a faulty transmission control module. A faulty transmission control module may cause a delay in acceleration or erratic shifting of gears. The transmission control module has various sensors such...
Question
Starting in humid morning
On a marginal ignition system, condensation on ignition system wires and components could cause voltage to bleed away just enough to make starting difficult during the humid conditions you describe. If the problem persists, the recommended service is a no...
Question
Overheating engine one side and knocking. Thoughts on cause?
The problem sounds like you have a blown head gasket. You can have a coolant pressure test to verify pressure loss and then remove spark plugs while pressure testing to find out what cylinder is getting coolant in it. ...
Question
95 Chevy pickup will not start--not even a click when key turned, but will start with jumper cables.
Hi Joe. Thanks for contacting us today. If you're able to start the vehicle with jumper cables attached, but nothing happens when you remove them, then the issue is either that the battery does not have enough cranking amps -...
Question
My 1994 Chevy Silverado makes a clicking sound I tried to turn it over
If the click you are getting is a soft click under the dashboard,then you may not be getting any power to the starter. There could be some interruption between the switch and the starter. If the click is loud and...
Question
Hi my truck is a 1995 c/k 1500 rwd automatic. I drive her around and she does fine. Out of random the check engine light comes on
You have an earlier version of the onboard diagnostic system (OBD-1), however, inasmuch as the check engine light has come on, there will still be stored codes to download and those codes may be relevant to the failure to shift...
Question
Hi! What can cause the engine to shut off occasionally when shifting from reverse to drive in an automatic transmission? This has
Hello, thank you for writing in. There are several things you can check, luckily if you are mechanically inclined at all you can check quite a few at home. To begin, make sure your idle air control valve and throttle...
Question
I just put brand new calipers, rotars and breaks on my truck and my driver side front breaks keep sticking and i don’t have a clue
Hi Patrick. Thanks for contacting us today. There are several possibilities, ranging from a faulty master cylinder, or air bubbles trapped in the brake lines. Typically, the best way to diagnose and resolve this issue is to inspect the master...

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