Alarm installations is not something we really touch on so I apologize for that, but let me offer a few suggestions. If the system has the horn-chirp feature but it is not working, try contacting the manufacturer to determine if...
Hi There, Assuming you removed all of the towel from the throttle body, this may be as simple as performing a throttle body relearn process. As you may know, after cleaning the throttle body your car needs to go through...
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...
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...
Hi There, It sounds like you may have a couple of different issues. The jerking reaction and random acceleration problem is likely related to a dirty or faulty mass air flow sensor. The mass air flow sensor monitors air intake...
Hi There, If the truck has a remote start option on it, you will want to check there first as this is a known problem with remote starting accessories. If not, this is likely an issue with the ignition switch...
It is possible that you could be having an issue with your powertrain control module. This is somewhat of a common problem on many GM vehicles. I would recommend having your vehicle inspected by the dealership to determine if the...
Hello, thank you for writing in. The vehicle is likely having an issue with one of its three main components: air, fuel, and spark. Most vibrations and shaking come from a misfire of some kind. You will want to check...
Gray smoke suggests burning oil but you can use a scan tool to look at fuel trims and see if perhaps rich operation is contributing to the problem as well. With regard to replacing the seals, if the valve guides...
P0300 signifies that there are random misfires. Consequently, there is usually a "global" cause and there are quite a few such causes including: fuel injectors that are defective, EGR valves or tubes that are clogged, ignition timing that is off,...
Hello, thank you for writing in. Keep in mind suspension modification can wear your CV joints and other components prematurely. 285's are hard to make fit on your vehicle without getting excessive tire rubbing. Even with the modification to the...
Hi There, This is usually a problem with the power window motor, the regulator or the fuse unless the window has come off of the track. It is very difficult for the window to come off the track unless the...
Diagnostic Trouble Codes can never be used to "directly" condemn parts. In the case of an oxygen sensor, the oxygen sensor output must be evaluated on a scope to determine if the sensor itself is bad or if you perhaps...
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...
Hello Mike. You have found yourself in a position where there is a lot to consider, and the choice is going to come down to how much risk you are willing to take with this truck. Starting with the knock...
You may have problem with the transmission or throttle control and will need to have the computer tested for fault codes that will point to the possible fault and lead to further testing to pinpoint the cause. You may have...
Hello, thank you for writing in. While replacing the brake pads and rotors is standard service after they wear down, they would not cause a fluid leak. You likely have two separate brake system issues happening at the same time....
Hello, thank you for writing in. If the starter is not attempting to engage and turn over the engine, then you are likely not getting enough power to the starter due to a dead battery. You should try jump-starting the...
Hi There, A misfire may definitely be caused by many different things, however since you have addressed the majority of the usual issues that cause this, the next likely issue would in fact be a fuel injector that may be...
Hi there. First and foremost, I wouldn't trust the aftermarket power programmer to provide you with accurate OBD-II trouble codes. Those are stored in the ECU of your Chevrolet truck and should be downloaded by a professional digital scanner. The...
