Engine turns over but it will not start.

240

Asked by Sep 19, 2016 at 05:29 PM about the 2009 Chevrolet Cobalt 1LT Sedan FWD

Question type: Maintenance & Repair

I just replaced my battery today in my 09 chevy
cobalt when I got home the car stalled in my
driveway I cleaned the throttle body and mass air
flow sensor also disconnected the battery and
tried tapping the fuel filter I also tried spraying a
little gas in the throttle body and still the same
results it just turns over but will not start. Can
anyone help with this I really need it for work I
already had to call in today

29 Answers

240

And I also checked all the fuses

4 people found this helpful.
46,955

why did you replace it??? and it started after you replaced it...it got you home then it stalled and wouldnt fire up again...correct???

3 people found this helpful.
240

I replaced the battery because if it stayed parked for more than about 12 hours the battery would be dead. I went to autozone an installed the new battery in the parking lot then drove home. When I got to my driveway and slowed down the car started sputtering real bad and stalled. It just turns over but will not crank

5 people found this helpful.
37,035

I would have the alternator tested, if battery is drained all the time. Look for bad or corroded wires from those and check the ground wire block to frame, battery to ground for connection loose or burned wires there or elsewhere.

3 people found this helpful.
240

I checked the wires on the battery they all seem fine. But now it won't even turn over I turn the key to try an start it but it does nothing no clicks or any responses from engine. When I turn the key to acc everything comes on but when I turn it to try to crank it everything goes off. And it isn't saying my battery is low.

240

The only lights that are showing up is airbag seat belt low ture pressure and traction control. No check engine light is on

1 people found this helpful.
37,035

Check or replace those terminal wires all the way to the starter and all grounds all the way. Not just at the battery.

2 people found this helpful.
240

I got it to start turning over again. But still won't starring getting fuel I can smell it when I turn it over and there's full when u check the valve

1 people found this helpful.
37,035

If you smell fuel I would think it is getting fuel but is not firing maybe. Did you check the fuse's. How or whet did you use to clean the MAF?

2 people found this helpful.
240

I used CRC mass air flow sensor cleanor then I let it sit for about a half hour till it was fully dry. I checked the fuses they all look good.

1 people found this helpful.
37,035

Next see if you have fire and the plugs. You can pull them one at a time to test each with a voltmeter and put each in its boot and ground to block turn engine over to see if you have fire. With voltmeter put one lead on tip and other on the metal case/threads area put meter on ohms if any thing shows up its bad should say OL and then put one lead on electrode and to the metal case if any reading other than OL its bad. Look at the plug wires too. Check to be sure all your electrical connectors are connected good.

3 people found this helpful.
240

I'll do it in the morning it just started raining. I spent 8 hours today looking for a solution to this on every site I could think of an seen a bunch of people with the same problem but no solution. It's gotta be a sensor or a fuse. Or maybe do you think the catilac converters might be clogged? But I'm gonna check the plugs in the morning

2 people found this helpful.
9,295

I presume you've gone back and checked the battery connections to make sure they are still tight. If that's where you worked and then suddenly started having problems with the car, that's the first place you should look for a problem. Sometimes its the obvious things we miss.

1 people found this helpful.
240

I checked all all of them need the bettery. But I did find a loose ground wire Goin from the engine to the frame underneath one of the head lights. It was real loose the nut was backed almost all the way off. I was hoping that would be the problem I I cleaned it real good and tightened it all the way back up and still same results turns over but wont start. When I try starting the car I notice it will register about 2 or 3 hundred rpms so I found the crank sensor and disconnected it tried to start it and it didn't register anything on the needle so reconnected it and it would register about 2 or 3 hundred again while trying to start it so it seams like that's fine. Made a call to the dealer ship today they said it could be something with the computer or it might not be getting enough fuel pressure it's getting fuel to the rail but idk If it's enough pressure or not. I'm going to try and replace plugs and coils Friday when I get paid see if that does anything an if not have it towed to a dealership.

9,295

NO! Don't waste your money throwing parts at it and hoping for a miracle. Trouble shoot it first and fix what's actually wrong. Have it scanned for trouble codes and check the fuel pressure as was suggested by the professionals. It's definitely not the plugs, and if the coils are still good you're throwing money away that could be used to fix the actual problem.

4 people found this helpful.
240

Ok finally got a scanner today it's saying low voltage to the map sensor and lost signal to transmission control module. Hopeople if I change these the car will be up and running

3 people found this helpful.
37,035

Hope so to.

1 people found this helpful.
240

I changed the MAP sensor which was around $70 and it changed nothing so the only other code coming up is the TCM. And they are around $150 so I hope that fixes it I'm at work now but when I get home I'm going to try and check the wires Goin to it to see if any are damaged or grounds be for I spend 150 on a part the may or may not be bad.

1 people found this helpful.
240

Well the car is fixed and running perfect now. It turns out there was one 15 amp fuse that was blown that cept the car from starting. Lol I looked through the fuse box like 3 times and missed it every time. But Atleast its running now. My next project for this car is getting the power steering working again.

6 people found this helpful.
9,295

Glad you're up and running. We all miss those "obvious" things from time to time.

1 people found this helpful.
10

cobalt 2005 turns over wont start unless the lights era on

1 people found this helpful.
50

do u remember what fuse was blown

5 people found this helpful.
50

i have somewhat the same issue on my 2006 Chevy cobalt ls 2.2 motor. it was driving just fine and I parked it one night and over night and the next day we had negative degree temperatures and my car would not start! tried jumping it and nothing. took the battery and charged it inside thinking the temperature might be the problem but didn't work. was getting no fuel to the motor so thought maybe a chance the lines were frozen so I put some heat in it and waited over night but still nothing. so we replaced the fuel filter and still nothing. from there I have replaced the fuel pump 3 times, battery 3 times. temperature control sensor, throttle body, throttle position sensor, accelerator pedal position sensor, spark plugs, and ignition starter switch and it still will not start only cranks

1 people found this helpful.
37,035

Any codes, Start a new thread so more guru's see your question, thanks and give the above statement.

9,295

Why are you replacing the same parts over and over? You didn't get 3 bad fuel pumps in a row, nor did you get 3 bad batteries. Did you load test your battery before you replaced it? Did you pressure test your fuel system before replacing the fuel pump? Sounds like you need to have a technician do some proper diagnostics first, then replace the faulty parts. Randomly throwing parts and money at it is clearly not going to work. With all that said, I'd be suspicious about an electrical connection with moisture in it that is being affected by the cold weather. Also check all grounds. There are several and some are prone to failure on older cars and can cause all sorts of problems. Good luck.

1 people found this helpful.

My car was raning fine next couple days car would not start unless i tap the gas then the car start raning hot can somebody help me with this cause now the car just cruck wont start

9,295

Scan it for trouble codes. That should give you some direction.

100

does anyone know what fuse Mario changed cause I am having the same problem

10 people found this helpful.

Sounds like you got yourself a bad alternator or a parasitic drain, that you can test for with a multimeter, either alternator isn't charging your battery or there is something draining the battery

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