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L6-4.2L

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My 83 Jeep CJ 7 makes a clunking on rapid acceleration only when in 4 wheel drive. Any thoughts on my problem?
It sounds like you may have a U-Joint that may be bad. As you might know, the U-Joint is a universal joint that sits on both sides of the drive shaft connecting the transmission to the drive shaft on one...
Question
06 Saab 97x stopped running while driving
Hi Chris. Thanks for contacting us today. It's quite possible that the O2 sensor that was replaced may not have been the root issue of existing problems you had. Case in point - if you took your car to a...
Question
Why my 2003Trial Blazer Truck Acc ingestion switch don't work
The switch contacts in that position may be faulty although it is also possible that the circuit wiring through that position, and/or a relay, are faulty. To resolve this will require tracing the relevant circuits, and testing the switch, too,...
Question
Car runs fine but will not go over 45mph the check engine light is not on it was fine until I had to change transmission line
Hi Sandra. Thanks for contacting us today. There are a few different items that could be the root source of your GMC's issues. The most common problem is that the transmission fluid is either low or there is debris trapped...
Question
While driving my 2002 trailblazer it start to smoke and transmission fluid leaks out
It is possible that one of your transmission lines could be leaking causing fluid to get on the exhaust. When the fluid leak lands on the exhaust while it's hot this can cause the smoke that you are seeing. I...
Question
2004 trailblazer has gas but once I start it or if I leave it on for a while it shuts down. It also is shaking
You will need to have the fuel pressure checked to see if the fuel pressure regulator is leaking into the intake or an injector is causing the problem. Have computer scanned to get and diagnose the stored codes by a...
Question
Is the cam sensor replacement the camshaft sensor?
It may be due to the camshaft sensor but would not know unless another test is done to get the failure codes like a P0340 or P0344. The light can come on for over 100 different codes and is only...
Question
Car stays stuck in reverse
You will need to check both ends of your shifter cable to see if the shift cable bushings are worn out and need to be replaced? If they are worn out then replace bushings and or cable.
Question
We drive a 2003 GMC envoy. We heard something snapped followed by a continuous clicking sound. The axel has shifted.
Hi Cynthia. Thanks for contacting us today. There could be a few different parts that have broken, including a strut, tie rod or other suspension components. The best way to know for certain is to have one of our mobile...
Question
My motor bogs down when going uphill but doesn't cut out just u have to kinda put ur foot in it to get up the hill
You will need to have the fuel pressure checked to see if the pump is giving the correct pressures and replace the pump in the fuel tank if it is not. If pressure is good then have computer tested for...
Question
2004 Envoy why do I continue to get code po 106?
The code P0106 can be caused by the sensor or by engine vacuum leaks. Since you changed the sensor already, then the most likely cause of the stalling and the codes received is going to be a vacuum leak in...
Question
When i start my car, the rpm meter goes up to the number 5 and doesn't go back down, what could the problem be?
Hi Ariana. Thanks for contacting us today. Assuming that your engine is not winding up that high and it's just the gauge that is doing this, it's probably due to a damaged electrical relay or fuse that powers the tachometer...
Question
Losing power wen i put my a.c. on
The a/c system loads the engine when the a/c is turned on. To maintain engine speed and power, there is an "idle-up" control circuit. That control may be malfunctioning in your case. Another possibility is a problem elsewhere in engine...
Question
Was driving home and my battery light came on my gauge went almost down to 9 and I could barely turn the steering wheel. Could sme
You should check to see if the serpentine belt is broken. If it is then this would be reason the charging system did not work and the engine was running hot. You will need to check to see if each...
Question
Im replacing ignition coil but can i do it if motor still hot
Hi there. I always like working on an engine that has cooled down - especially to reduce the potential of burns. This can happen rather quickly when replacing the ignition coils, as you tend to bump into the intake manifold...
Question
2003 Oldsmobile Bravada repairs from oil change, spark plugs, clutch fan, radiator flush, fuel filter and car loses power shut off
You will need to have the computer scanned for failure codes to see if there is codes to the crankshaft sensor or another sensor causing the stall. The fuel pump may also be going bad and losing fuel pressure. The...
Question
Drives a few blocks and loses gas pedal pressure.
Hi CP. Thanks for contacting us today. There are a few possible reasons why you are having this problem. The most common issue that causes a restriction of fuel shortly after it starts is due to a mass air flow...
Question
car will not start
Hi Nicole. Thanks for contacting us today. In most cases, when you turn the ignition key and the engine will turn over but not ignite, it's due to a fuel or ignition system failure. Typically a fuel pump will cause...
Question
Can a older model truck burn 5 quarts of oil in a couple of weeks with out a leak?
Although it may be tough to find the source of the problem, generally when an engine is burning oil, you will notice a bit of blue smoke coming from the exhaust. Blue smoke coming from your exhaust generally means that...
Question
I get a vibration in my 2006 chevy trailblazer when I accelerate
If you are getting a front end vibration during acceleration it is possible that you could have loose suspension parts. Suspension parts such as ball joints, tie rod ends, and sway bar links often develop free play after being worn...

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