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The issue has nothing at all to do with the radio. The CAL ERR is sent to the radio via wire A1 via the connector on the back. It tall the radio that there is a key to anti theft error. The code CAL ERR is just short for Callabration Error from your Key. from off turn key to run without thurning the engine over and letting it sit for 15 minutes, then turn ...


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It would not be the head or the head gasket for two reasons. First, the head gasket sits below the head and the exhaust. There's no way for it to be getting onto the exhaust manifolds. Secondly, there's no pressurized oil which goes through the head. All oil which gets to the top of the head comes through the push rods in the valve train. I'd suggest ...


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i'm really surprised! you have really a good knowledge in diagnostic techniques, any way upon to my experience that car has faulty ecm motherboard , you have to make sure in case if you disconnect the ecm you will loss " ROM" the keep alive memory or not because the same thing with camaro , if not you can disconnect ecm and see voltage will drop to zero at ...


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The reason for the failures can vary. Are the starters new, rebuilt or remanufactured? It is possible that the rebuilder was supplied with a substandard component. If that is the case, you will be replacing your starter until that inventory is used up. Talk to your supplier and see if they can source you a different brand or perhaps the next model up in ...


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Older vintage Silverados had a known issue with piston slap. It is worse in the winter but is always present even in warmer weather. The forums have been saying for well over a decade it has to do with the sizing of the aluminum pistons. Way back when things were built to tighter standards, cylinder bores were matched with piston sizes. While all the parts ...


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More than likely the lifters are getting worn out. When this happens, they lose the oil in the body while sitting for a long time, then there's lots of excess valvetrain noise. Once the oil pressure is completely up and has completely filled the lifters, the noise will abate. Replacing the lifters in the engine should completely cure the issue (if this is ...


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I'm new here, but there's a thing called piston slap. This is when the piston skirt gets worn and starts to hit the sides of the cylinder wall. It happens on older vehicles with high milage. If this is what it is there's not much you can do about it except to just ignore it. Other possibilities are low engine oil level, low oil pressure, worn valve train.....


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This post is old but today I was called out to a truck with the same problem. It turned out that one of the coils had shorted out and blew the fuse for the left bank. I replaced the coil and replaced the fuse and all the cylinders were firing again. The fuse was a 15 amp under the hood and labeled *2 with a note to check the manual as to it's purpose. Next ...


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If the hoses are shedding rubber then they are nearing their end of life. To avoid problems, like having one burst open on the road, you should replace any of them which are showing signs of age. Being pliable is NOT a reliable test, in fact when they get old and start to deteriorate they usually get more pliable. Replacing the hoses is not that expensive ...


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I figured it all out same issues all the way new this new that blah nlablah. Answer in the end to find out what was going on with out a stupid scan tool which is crap no need. To get pressure back compartmentalize fronts and rears. One at a time remove either front line BRAKE FEED from master TO ABS or rear feed line. Block one MASTER PORT at a time iwith ...


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