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V6-4.3L

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Question
Transmission shift hard after high speed driving but shifts normal after engine is off for a while.
Hi there. Transmission fluid should be flushed every 50,000 miles to help avoid issues like you are experiencing. So, it's probably a good idea to have your transmission fluid flushed and filter replaced, as the obstruction of debris or worn...
Question
Tail lights not working but driver side does work
If the bulbs are good (you can test the filament off car), check for corrosion and/or faulty connections in the bulb socket, wiring, and/or terminals. Check for power at the bulb socket. If there is no battery voltage at the...
Question
My car wont go above 40 mph,has a burning smell,and has a noise?
Hi There, What you are describing sounds like you may have a clogged catalytic converter. The catalytic converter converts toxic exhaust gases into less harmful pollutants that are suitable to be expelled into the atmosphere. When the catalytic converter is...
Question
So my 2000 Chevy Blazer is not wanting to accelerate past 40m
Hi there. In most cases, when you have problems with acceleration it can be due to either a fuel system restriction or an issue delivering the power through the transmission. With vehicles as old as your 2000 Blazer, it is...
Question
My 2000 chev blzr ran hot then water was added after cooled down seemed OK drove it did OK then ran hot again
If your engine overheats within 5 minutes then I would say it is a thermostat is stuck closed. In your case you drove longer than this before it overheated. You may have a water pump not pumping enough water or...
Question
2001 Chevrolet Silverado 1500. Shows many symptoms of failed crank position sensor. Has misfire for a while. Didn't like it's idle
Hi there. It's possible that your issue is either a loose crankshaft position sensor electrical harness or the sensor itself is faulty. However, this could also be due to fuel system components being clogged with debris or other problems, so...
Question
A fuel line plug came out of the intake manifold will it be ok to get new seals and put it back , or should more be done.
Hi there. I've honestly never seen a metal plug come out of the fuel rail on a Chevrolet V-6 engine, so I'm not quite certain as to which component this might be that is leaking. There are a few idle...
Question
Will a oxygen sensor cause your transmission to stop pulling
A faulty oxygen sensor will cause the engine to run less efficiently (use more gas than usual) and may degrade engine performance to some extent. However, failure of the oxygen sensor itself can not cause the transmission to fail or...
Question
i have a 2001 gmc sonoma and i need to know what the gear that fits into the ignition housing is called its the plastic gear?
This 'gear' that you mentioned is likely to be an intrigal part of something else. For example, the ignition lock cylinder may come with that gear attatched to it. I would recommend looking up the igniton parts new to determine...
Question
Took engine from 4wd 1998 jimmy put in 2wd 05 sierra. Problem is transmission not engaging. What do i need to do?
Make sure the fluid level is OK. Check the shift lever and be sure it is actually moving the manual valve to the commanded position (Drive for example). To determine if the converter is functioning and/or if you have a...
Question
Car won't shift into park
It is possible that your shift lock solenoid has failed in the lock position. This solenoid is what allows the shifter to be moved only when the brakes are applied. When the brake pedal is depressed and the lock solenoid...
Question
2001 Chevy s-10 truck that won't start. Lights come on but when I turn the ignition there is no noise ( grinding, clicking )
Hello, thank you for writing in. The vehicle depends on two main components for starting. Considering the starter motor is not functioning at all, you either do not have power going to it, or the motor has failed and is...
Question
Oxygen sensor
Hi There, As you may know, code P0430 relates to the catalytic converter not performing as it should. When the catalytic converter internals deteriorate, it is usually a result of the engine running too rich resulting in the exhaust gases...
Question
Had intake gasket repaired and know 97 astro won't hold idle with mapping plug undone runs fine
Hi there. In many cases, a problem as you've described is caused by a vacuum line that is not properly attached. It could also be a problem with the electrical harness connected to the mass air flow sensor that is...
Question
Hi when I drive my truck for a while and stop at the store or something and restart my truck it reads hotter than it should
Hi there. In general, worn out coolant tubes, or a radiator with worn out radiator coils and fins are the root sources of an engine that is running hotter than it should. This problem can also be caused by a...
Question
fuel pump replaced smelling gas
Hi there. Anytime a shop completes a fuel pump replacement, there are multiple ways for fuel to leak and create a strong gasoline smell inside the cabin. It's possible that a fuel line is loose, the connection to the fuel...
Question
What parts would I need to replace in the AC system of my 2004 Chevrolet Blazer
Hello. If there is just a leak in a hose then only the hose needs to be replaced then the system needs to be evacuated and recharged. If the compressor is bad then it needs to be replace along with...
Question
Knocking, sputtering, and jerking, feels like its losing power.
Hi there. Typically these symptoms are not associated with the same exact mechanical fault. Like you said, engine knocking is sometimes caused by lifters or engine misfiring, but the engine jerking and inconsistent acceleration could be something completely different. It's...
Question
Why does the oil cooler line keep coming out of the radiator in my 2002 Chevrolet S10
Hi there. These couplings that hold the line into the radiator are very temperamental. If the clip is not installed exactly how it should then the line will continue to pop off. There is a special way to install these...
Question
Transmission does not shift properly
What you are describing is often a sign of low transmission fluid or a faulty transmission control solenoid. As you know, automatic transmissions use pressurized hydraulic fluid to change gears. Every time a gear change is required, the car's computer...

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