My Cavalier has a bad miss that shakes the car as soon as you goes 45 or 55 mph. It runs good at all other speeds.
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Most reported Chevrolet problems
Make crap load of noise, almost sounds like a rod going to blow. It's gets louder as it gets worse.Common and pricey..all new unit is needed.. but it will fix the oil around it too seeping.
hard starting after several hours and upon start up, engines missfires and runs rich
Possible fuel pump regulator failure under the upper intake leaking fuel directly into the intake system.
You must replace the regulator assembly and possibly the spider( injector cluster) to resolve the problem. Allowing the engine to run like this for an extended period could result in cylinder wall wash down resulting in internal engine damage.
Whining noise 40 mph - 60 mph - louder under load - quiet when coasting. Ring and Pinion going bad
The engine may be hard to start run poorly and/or use to much fuel due to a fuel leak inside the intake manifold plenum. Commonly this is caused by a leaking fuel pressure regulator or fuel line. The fuel system will need to be pressurized with the upper intake manifold removed in order to determine the exact cause of the leak. Removing the "tuning valve" from the upper intake will allow for limited visual inspection without removing the upper intake manifold.
Vehicles using the enhanced vortec V6 engine may be hard to start run poorly and/or use to much fuel due to a fuel leak inside the intake manifold plenum. Commonly this is caused by a leaking fuel pressure regulator or fuel line. The fuel system will need to be pressurized with the upper intake manifold removed in order to determine the exact cause of the leak. Removing the "tuning valve" from the upper intake can allow for limited visual inspection without removing the upper intake manifold.
Engine would start then immediately die, after a few attempts the engine would then start and run normally. It was found that when the car died the radio would not be on. Detent had been lost between run and key-on positions of key switch, so the force of the start return spring caused the switch to go to the almost off position, where the engine red light, ecm, etc would come on but not the fuel pump, and radio would be both off.
Last winter I was driving my husband's Cavalier during a rush hour winter snow storm when all the lights went out and the car went dead. I barely made it over to the side of the road without getting hit. It turned out to be a bad alternator. We had just replaced the starter and battery and then this happened with no warning. Very scary. I was told that when we had the starter and battery replaced, the alternator SHOULD have been checked, ...
I have water in fuel, it was not used for a few months, and when I filled it the water in fuel light came on.
I would like to change the fuel filter. Where is it, can I get at it from below, etc Thanks, Jon
The resistor block (located somewhere on the left side behind the interior walls) has failed. Have a replacement from an junkyard vehicle but have not yet put it in.
I had a mysterious leak of coolant. It was winter and I was losing coolant. I could fill the coolant up drive, forever w/heat on and check the coolant and it was fine. I would check the coolant before starting the truck and it would be half empty.
I have the habit of turning everything off in the vehicle before turning off the car, especially in the winter when I know it is hard to start in the AM. I turn off the heat.
The heat control valv...
THIS CAR HAS A RELAY FOR THE STARTER .. IF YOU DON'T KNOW WHICH ONE IT IS... PUSH ON ALL THE RELAYS AND FUSES ( UNDER THE HOOD ,DRIVERS SIDE, IN A BLACK BOX.. REMOVE COVER CAREFULLY ) AND YOU MIGHT FIND ONE THAT IS A BIT LOOSE .. THIS HAPPENED TO MY BRAND NEW HHR.. I HAD TO INFORM MY DEALER WHO NEVER HEARD OF THIS PROBLEM...
DO THIS BEFORE YOU REPLACE THE STARTER OR BATTERY...
Noticed white colored goo on oil dipstick during oil addition. Dealer indicated a failed head gasket. Solution is to replace the head gasket. Will also replace the valve cover which the dealer indicates is now a better design than the original cover. Dealer estimate is approx. $1200.
I was driving early one morning and it was dark out. All of a sudden my headlights went out. I hit the dimmer switch and they came back on, but while driving home the same thing happened again. I took it to one garage and he could not figure out what the problem was. The next time I drove after dark, the same thing happened again. I took the car to different garage and found that the multi function switch in the steering column was bad an...
It was a multi system electrical failure of the power windows, power door locks, radio, and climate control system. It was intermediate, which lead me to believe it had to be a connection problem. After internet investigation I was lead to believe it was the 125 amp fuse under the hood on the outside of the fuse box. I was in the process of jumping the fuse when I noticed a loose nut on the positive side of the fuse connector. I tightened the ...