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Old 05-02-2009, 11:44 PM   #16
56pontiac
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Join Date: Mar 2009
Location: shippenville, Pennsylvania
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Re: 05 Cobalt fuel problem

Quote:
Originally Posted by rodeo02 View Post
Whoa dude you've got ALL kinds of stuff going on. So the 'coon thing happened when the car was basically new? That sucks. FWIW, none of them have any protection up/around the radiator anymore. Overheating in an all aluminum engine is major bad news, but if it happened 3yrs ago and a dab-o-goo has held you off since then, I'd think you're good to go. The only odd-ball 'chewed wire' concern I'd heard of in regards to a delta chassis was with the vehicle speed sensor. It got munched, basically the car wont shift, dash no workie, a mess. If you've pulled the battery a bunch of times and the car hasn't run since, I'm not sure if you'd get a good code read now anyway. I'd still try anyway. I know the ~$40 OBDII with CAN from ChinaFreightTools works like a champ (Harbor Freight Tools).

Joel

When I saw all the damage the coon did that really made me mad. I know a lot of others don't have any protection there either. I should have known when I first got it, to get rid of i. I had assumed it was a rehased Cavalier. Then find out it was actually a new car. Opel Chevy mix.But yet a new car. I had the luck of getting the one that had the radio that kept going into lock, brake light would come on going around a bend and a lot of trim issues. Took it back for warranty work.Said they couldn't duplicate the brake light and fixed the radio.Get it home and the same day the radio goes into lock. Make the turn to come home and the brake light comes on.So I do some research. Find out that they had a bad brake sensor and faulty radios. So I take it back to the dealer.I tell them that the Cobalts have a brake sensor issue and the radio problem is also a common problem. I get the deer with the headlights in its eyes look. I tell them heres the deal, the car stays here till it is fixed right. While I'm telling them this a service tech walks in. He asks what the problem is. I tell him. the guys at the desk say there aren't any bulletins on the problems. He said Oh yes there is. Went on the computer and pulled them up. He told them if it isn't on paper - Look it up on the computer. So they put in an upgrade radio and a new sensor for the brakes. Haven't had a problem on either since.I realize it's a cheap car.But the cheap interior, got to go.It is below sub standard.I like the way it rides, looks and handles. We took 2 trips to Florida from PA. to visit my wifes family. We got a low of 38 miles to the gallon . We got as high as 48 MPG.That was doing it the old fashioned way.Check the miles vs the gallons used. Not the onboard computer.
OK, Now here is what I did today on it. I checked the ground. It is good. I checked to see if it is getting power to the fuel pump pressure tank. It is. So if it is getting power to both, what am I missing ? I noticed on the tank where the wires go into the plug that the unit looks like it should come out of the tank.It has what resembles a bayonet type mount.I also pushed in the Schrader valve. The first time I got a good air blast with more fuel that ever (but still not much ). I went back under and wired the fuel pump direct I let it run for maybe 3 seconds. Went abck and pressed the valve, no air, no gas.Back under to jump pump.Let it run about 5 seconds.Back out and push Schrader, nothing. Did that about 3 more times. Nothing.Gave up considered pouring gas over whole car and lighting it .But then thought my buddy would not appreciate it because it is in the bottom of his barn !!!
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