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Misfire on cylinder 1 causes spark too rich or lean fuel levels
Hello there, the P0301 Cylinder 1 misfire is a common code on your 2002 Chevrolet Trailblazer. When a misfire code is seen it is telling us that the cylinder is not firing as it is supposed too. This means the...
Clunk in front end.
Hey there. There are several possible causes for a clunk in the front end. It could be a ball joint, stabilizer bar, steering linkage, or any number of other possible causes. Differential fluid being low is also a possible cause,...
Wheel keeps humming, I think it's a wheel bearing
Hi, thanks for writing in. I believe you're on the right track. Wheel bearing failures are common on many GM vehicles particularly their trucks and SUVs. I would recommend having your wheel bearings inspected with a mechanic's stethoscope to determine...
ABS sensor on front hub
Hi, thanks for writing in. The hex bolt size for the ABS sensor on a 2006 GMC Envoy is a 5 millimeter for the front. I believe the rear sensors are placed into the axle rather than the hub and...
Why won't it start with a low battery and a good jump start connection?
Hi, thanks for writing in. Your battery may not have had enough cold cranking amps (CCA). The volts may be correct but if it doesn't have enough CCA, it will not start for you. Batteries that specify cold cranking...
With the electronic fan clutch, is it normal to have the fan clutch barely running and that you can keep it from turning with one
Hello. This is normal operation of the fan clutch. The electronics should turn it on as needed. This saves on the power loss that is associated with the fan when it is needed to keep the engine cool. This increases...
Vibration in the steering wheel when turning into a parking spot or driveway.
Hi there. This sounds like there could be a potential problem in the power steering system. A shuddering/sticking valve in the steering rack, a weak power steering pump, or low fluid level may be the cause. For an issue like...
As you may already know, this may be related to a faulty or leaking gas cap, however this can also be related to several other factors such as the following: A non-conforming gas cap (i.e. not factory/original brand) A...
Loss of power my tool says map sencors is bad burning rich
Hello and thank you for contacting YourMechanic. If the engine light is on for code P0105, then the computer has lost communication from the MAP (Manifold Absolute Pressure) sensor. Check the harness to the sensor for any corrosion and look...
Car is idling up and down while either parked or when driving.
Hi there. I believe O'reilly's sold you an IAC (idle air control valve) from the description you have given. OEM is the acronym for original equipment manufacturer. Seems odd that it was only fixed for a couple of hours. Sometimes...
What else can leak coolant? The leak is away from the radiator as well.
A coolant leak can come from leaking hoses, a bad head gasket, an intake gasket, or a number of possible locations. This means that a mechanic would need to identify specifically where the leak is coming from first before making...
ABS and BRAKE light both on
This issue is very common and is typically related to a worn out ABS Speed Sensor. The function of the speed sensor is to monitor the way the tires rotate, and make sure that the ABS system is triggered if...
One of my transmission sensors are out I'm not for sure which one
Hello. This may be a sensor issue but it is possible that some mechanical damage may have occurred to the transmission. I would recommend having your shift linkage and the transmission itself inspected by a qualified professional to make sure...
A/c stays on unless turn fan off.
Hi there. This issue could be as simple as a broken or damaged relay switch, AC control switch, or could be caused by a mechanical problem with the AC condenser. The best way to know for certain is to...
Its making a loud sound steam coming from under hood and leaking something
Hello and thank you for contacting YourMechanic. What seemed to happen is either a coolant hose or your radiator blew out coolant. This is why you were seeing steam coming from under the hood and why you saw something leaking...
Error code P0014
Hello, thank you for writing in. The OBD-II error code P-0014 is typically related to an over adjusted timing issue detected by the camshaft sensor as opposed to a damaged sensor itself, which leads me to think that it's either...
I was driving my truck and it made this "poof" sound as if something blew. I lost everything--brakes, power steering, and it stalled
Hi, thanks for writing in. It is possible that the "poof" and exhaust smell (rotten gas smell?) both originated from the catalytic converter, and sulfur deposits in the converter. The engine may have backfired through the exhaust, setting off a...
Truck accelerating slowly.
Hey there. This may be a sign of a faulty transmission control solenoid. Modern automatic transmissions use pressurized hydraulic fluid to change gears. Every time a gear change is required, the car's computer activates a transmission solenoid, which directs transmission...
I have a 02 chevy trailblazer I went to step on the gas pedal and all it did was revved up but no go I pulled over and it died I t
This may be caused by many things such as low fuel pressure, a bad mass air flow sensor or a faulty idle air control valve. Low fuel pressure can cause an engine to starve for fuel due to irregular fuel...
What is the cost to cut a new ignition key? I live in Lincoln, NE if that matters.
I would suggest calling a locksmith and explain the problem that you have to see if they have the capability to help you out. Unfortunately, I do not think they can but it will not hurt to give them a...

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