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C1500 Suburban

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Question
What would be the common or uncommon causes for gas mileage to drop by almost 50%?
Hi Wayne, There are a number of things that can cause poor fuel mileage. A faulty camshaft position sensor is one of them. The camshaft position sensor is a magnetic sensor that monitors camshaft speed to regulate ignition timing and...
Question
Heater does not work and has a loss of power to the switches.
Hi there. If the motor works fine with power directly to it and when the switch is not working properly causing the motor to come on slower and weak, then switch cluster has failed and needs replaced. If you need...
Question
My heater blower motor is blown. What is the best way to find where the water leak is coming from?
If you are certain that the blower motor was damaged by a water leak, this would have likely come from the heater core or one of the hoses running to the heater core. I would suggest checking around the heater...
Question
Car won't start
Depending on the symptoms or sound you are hearing when turning the key, this may be related to the starter being misaligned. If there is a problem with the starter gear reaching the flywheel, this can happen easily when the...
Question
Stalling issues
There a few things that could cause this kind of stalling. If it is a fuel related issue, this may be a dirty or faulty idle air control valve. The idle air control valve monitors the air intake as it...
Question
Steering is jerking
Hi There, What you are describing sounds like a problem with the rack and pinion gears. The rack and pinion gear set does two things: It converts the rotational motion of the steering wheel into the linear motion needed to...
Question
Why would I have an intermittent spongy brake pedal on my 1999 Chevrolet Suburban
Hello. Most of the time this is caused by the master cylinder failing internally. If you have replaced it with a new one then that should not be the issue. If you used a rebuilt master cylinder then that may...
Question
Brakes go to floor and are squeaky...
The brake booster is a mechanism that uses vacuum pressure to take the force being applied to the brake pedal and amplify it. If the booster is bad, then the full amount of force needed to activate the master cylinder...
Question
Steering becomes slack while making turns in either direction.
Hello. Thank you for writing in. There are several components that may cause the steering to be loose or jerky. The first thing to do is check the power steering fluid color and level. Make sure its clean and topped...
Question
Hard to start stalls out
Hi There, As a general rule, car engines do not like cold weather and do not do operate as well in cold weather. When you start your car in the morning and turn the key to on, the coolant temperature...
Question
i upgraded from 28.9 in tire to 32.4 in tires. a week later transmission went out, what should i change to relieve strain on trans
The change in shift points generates added heat in terms of operation. Increasing the tire tire diameter more than a percent or two affects the transmission shift points, as the shift points were programmed based on the vehicle's original tire...
Question
I put new alternator, brought new battery crank car battery gauge do not go any further than half and start dropping while driving
You can verify alternator drive belt tension and measure charging system output at the battery posts. If the voltage output at the battery is with the required specification (roughly 13.8 to 14.4 volts but varies by model), check the condition...
Question
1980 Suburban 454 bad timing chain changed it's on high one Distributors .1 a crank gear and cam gear is off their mark
The procedure to align all the marks is set forth in the Factory Service Manual and unfortunately it is not "brief". The most efficient thing to do to get this resolved is to request timing chain verification/replacement and the responding...
Question
Just brought 1996 chevy suburban. Noticed a leak in coolant system 2 days ago kept water in it.
Overheating can be caused by a number of things such as low coolant levels, a faulty thermostat, a clogged radiator or a failing coolant fan switch. As you may know the coolant fan switch helps to maintain the proper coolant...
Question
I have a 1997 GMC Suburban and when I drive it loses power or stalls
Hi Nicole. In most cases when a car starts then dies, it's due to a faulty mass air flow sensor, clogged or damaged EGR valve, or fuel injectors that are either dirty or misfiring. It is also possible that the...
Question
I put what thought was gas in tank. I've replaced the fuel pump, spider assembly , spark plugs , and filter along with $100 worth
Hi Ricky. Thanks for submitting your question today. It really depends as to what you put into your fuel tank and several other factors that will indicate where the problem exists. If you put diesel fuel in the tank, it...
Question
No palus to injectors
Hi there. If you are not getting a power indicator from a probe to a specific fuel injector, there are usually two reasons. First, the wiring harness connected to it is damaged or two, the connection to the engine control...
Question
Crank no start
Hi there. The issue seems to have a misfire with the spark plugs and wires. The smoke that is coming out of the breather on the intake or valve covers is caused by the fuel burning on the exhaust stroke....
Question
Hi! Does the 95 Chevy Suburban C1500 have a MAF sensor?
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
I changed my brakes on tuesday and my abs light came on today why?
Hi Ben. It's possible that one of your ABS sensors or wheel sensors was left unattached, or has a faulty connection. I've also seen excessive brake dust cause the sensor to illuminate after recent replacement. You might want to have...

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