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My truck surges at low and idol speeds. Cold or hot. Sometimes quits when put in gear. Very low speed has a miss.
Hello and thank you for contacting YouMechanic. When you unplug the temperature sending unit the problem goes away but the engine light comes on. Check the plug to the sending unit for any corrosion or debris. Look at the pins...
My brake suddenly went out, I just got new brakes.
With limited information about the vehicle and its recent repairs, diagnosing the problems is hard. In a situation like this when you have recently had repairs done, always verify that repair is holding. If you only had the pad and...
My door locks quit working
Hi there! Most likely your door lock actuators have gone bad. Inspect, the system by pressing the lock\unlock switch, watch the locks and see if there is any movement, like they are trying to lock\unlock. If you do in fact...
Truck won't start
Hi, thanks for writing in. If the truck is getting the correct fuel pressure to the fuel rail, but does not deliver fuel to the spark plugs, this may suggest a fuel injector problem. I would start with checking the...
Car is misfiring and has a lack of power
It is very difficult to definitively say what the issue is. Have you had the vehicle scanned for diagnostic troubleshooting codes? If not, you should start there. Due to your vehicle being pre-1996, the method of receiving codes will be...
Chevy K1500 will not produce spark. I have replaced everything in the ignition system.
Check the spark plug wires and spark plugs. If the plugs have fuel on them, then they are not igniting and need replaced. If the spark plugs are working fine and the wires have good resistance, then put a compression...
I put a new transmission the truck will not move until high RPM
It sounds like a defective torque converter or a bad transmission to me. Double check your fluid level after cycling the shift lever through the gears. Check your electrical connections and the adjustment of the range sensor. Check for codes....
Transmission problems
Hello there, a few different faults will cause your 1989 Chevrolet K1500 to not lock into gears. The most common causes are the shift linkage, low fluid level, or transmission synchronize gears. With the issues shifting this vehicle should not...
When vehicle is in the prosses of shifting there is a vibration. But it runs fine after shifting. What could that be?
Hello, thanks for writing in. From what you describe it would appear that there is more than one issue. Vibrations during shifting can be caused by several things. The first thing I would do is check that the transmission fluid...
Have problems with my 96 chevy pickup 350 vortec runs great go to stop and engine miss fires give it gas and runs smooth it has N
Hello. Misfires can be caused by many things. A few common causes are problems with the ignition, fuel, or engine management systems. If the fuel pump and distributor are new, then they are likely not the source of the issue....
None of my electrical components are working
Hi, thanks for writing in. If nothing operates, the circuit is not complete. What you want to do is select one of the non-working circuits and simply trace the circuit until you find the open. Inasmuch as nothing works, you...
My truck is not running right
Hello, thank you for writing in. Since the speedometer reads 0 instead of bottoming out, I would say the problem has to do with the signal coming to the speedometer. This could be from something such as a sensor failing...
I have a 1998 Chevy K1500 with a 305. Worn TCC
Hi and thank you for submitting a question. Your 1998 Chevy K1500 truck with a 305 has a 4L60E transmission. With what you have described, it sounds like the torque converter clutch (TCC) regulator valve has failed. Usually when this...
Does the mass airflow sensor affect how your brakes work besides rough idling?
Hi, thanks for writing in. While the mass airflow sensor does not have anything to do with the brake system, it will definitely affect how the engine will run and can cause it to run rough or idle rough if...
My truck is running sluggish
Hi there, thanks for writing in. If the engine had non-fouler plugs in it then you need to do a compression test. If the engine is worn then it will need these plugs and may not be able to produce...
Replacing driver's seat
Hi there, thanks for writing in. You can use the same bucket seat out of any GM truck whether it is a GMC or Chevrolet from the years of late 1989 all of the way up to 1998. This can...
Overfilled oil
I would recommend taking the vehicle back to the service facility that changed your oil and giving them a chance to resolve the issue. This service should no doubt be free of charge since it was no fault of yours...
My truck shakes when i go 60 mph
Generally, if you feel a shake in the steering wheel, the problem is up front. If the shake is felt more in your seat, it's coming from the rear. Front possible causes: Out of balance or out of round tires....
High idle
Hi there, This may be a sign of a failing idle air control valve. The idle air control valve is located on or near your intake manifold that monitors the air intake as it is mixed with fuel prior to...
tranny shifting irratic
Hello, there can be three types of failures with automatic transmissions, mechanical, electrical and hydraulic. The transmission uses a computer to control shift points and shift feel. First thing, fluid condition, meaning dark in color and if it has a...

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