i have a 2005 chevy malibu.....it wouldnt stay running, so we changed the fuel pressure regulator, no chaange, so we changed the fuel pump, still no change......any ideas?

70

Asked by Aug 18, 2014 at 10:53 PM about the 2005 Chevrolet Malibu

Question type: Maintenance & Repair

48 Answers

70

we have also changed the fuel filter on the 2005 malibu

68,265

Check your coil?

2 of 2 people found this helpful.
68,265

And all so check your fuel relay.

1 of 1 people found this helpful.
70

yes

70

he checked that too

70

it is a nightmare we are at our witts end with this thing its about to nickel and dime me to death

68,265

Will car crank and run then shut off?

1 of 1 people found this helpful.
68,265

and is engine light on?

1 of 1 people found this helpful.
70

it cranks but sputters bad and when you give it gas, you have to do the pedall really fast, or else it dies out.....but if you do it really fast, it will sometimes eventually catch on and take the gas

1 of 1 people found this helpful.
70

yes engine light has been on for a while but it does crank and then die

70

im about to go crazy with this thing

68,265

Ok,two thing,s to check,crank sensor,and your igintion,all so was you driving car when this stareted?

1 of 1 people found this helpful.
70

it started doing this a few months ago, we changed the fuel filter and it seemed allright for a week or so, then started again.....then we changed the pressure regulator, it wouldnt even start, so we changed the pump, and its the same as before

1 of 1 people found this helpful.
70

yes we were driving when this started

70

it was like we shut it off one day and the next day it was crap

70

how do i check the crank sensor and ignition

68,265

Have you had code,s read?And on the malibu,if gas cap is bad will cause this.

1 of 1 people found this helpful.
68,265

Are you in the usa?

1 of 1 people found this helpful.
70

the codes pointed to it running lean and the other was rapid misfire

68,265

You can go to autozone or advance and they will run the code,s for you and tell you what is wrong.

1 of 1 people found this helpful.
70

and we unscrewed the gas cap and no change yes im in the usa

70

the thing ata autozone had no codes come up at all my husband had a tester of some kind and and thats where we got the codes

68,265

Ok misfire,means if you were driving car when it started,it could have jumped timing.

1 of 1 people found this helpful.
70

it will run doing the sputtering but sounds like its sucking air from somewhere now

70

timing is good

70

im ready to put a match under it myself, but it was my moms car and i want so bad to fix it and keep it

1 of 1 people found this helpful.
68,265

If you here air draw,check the intake gasket,could be the problem,hate to throw so many guesses,but im working on what you say to me,

1 of 1 people found this helpful.
70

he checked that.....im sorry, im going by what he says when i ask him....i appreciate your help

68,265

ok,now where back to that crank sensor,

2 of 2 people found this helpful.
70

how do you check that?

1 of 1 people found this helpful.
70

it ran for several months after this all first started and would mainly have trouble once it warmed up? does that make any sense?

1 of 1 people found this helpful.
68,265

Try this,remove positive cable and leave off for a few minute,s,may reset ecm,if this doe,s not work you may need to replace crank sensor,but sometimes computer hold,s a false code,and maybe this will help it.

1 of 1 people found this helpful.
68,265

Yes crank sensor get,s hot ,give,s false reading ,shut,s car down.

2 of 2 people found this helpful.
70

but now it just dont want to run at all

68,265

Has battery died lately,or have you jumped anyone off with it?

2 of 2 people found this helpful.
70

ok hes going to do that

70

the battery was replaced abt 2 months ago and now this one has died a few times but only since we started working on it and trying to crank it alot

70

should we try removing the cable?

1 of 1 people found this helpful.
68,265

The car has anti theft device,you may reset it,turn igntion to on postion dont crank it,leave it on for fifteen minute,s,then cut it off for one minute,if it is this should fix it.when batterys, get weak or have to be replaced the anti theft messes with it some times.

1 of 1 people found this helpful.
68,265

Yes you can try removing cable first.

2 of 2 people found this helpful.
70

is the crank sensor the crankshaft position sensor?

1 of 1 people found this helpful.
70

if so, where is it located because a new one is only 25$ and i will go get one tomorrow

68,265

It is located at the bottom big pulley on bottom of motor on the right side.

2 of 2 people found this helpful.
68,265

yes crank shaft postion sensor is what it is called

2 of 2 people found this helpful.
68,265

I think that may be it,if what i said above doe,s not work.

2 of 2 people found this helpful.
70

ty....he is going to try that tomorrow....he said will a fuel injector not being seated right cause it to suck air and stall?

68,265

Yes,

1 of 1 people found this helpful.
70

ok, cause he had pulled the injectors out to clean them when he first started working on it and he said it sounds like the air is being sucked in where the first injector is

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