2012 Malibu Randomly cut off, and will turn over But wont start

Asked by Oct 04, 2017 at 07:22 PM about the 2012 Chevrolet Malibu

Question type: Maintenance & Repair

So I thought it was the fuel pump..Turns out fuel
pump is fine.But it will randomly shut off while
driving and then turn over but wont start.soundin
like its not catching the fuel...I thought it was mayb
the fuel pump relay in the trunk, Because plenty
times ive fiddled with it and the car started right
up! So i went and got a brand new relay and still
the same problem! Theres No check engine light
on or anything and when it does start, it runs just
fine! I dont know whats going on! Please help!

8 Answers

4,020

Does tachometer move while cranking? Does engine light go off while cranking or stay on?

1 people found this helpful.
13,080

Probably the position sensor pickup ... it's usually located with the ignition unit. Look for a 2 wire connector with wires running down the back of the engine ... when they intermittently fail like yours ... it will drive you nuts .... mine had the wires melted because it was too close to the exhaust manifold ... it would work then cut out then work again

1 people found this helpful.

Thanks Tom! I will check it out tomarrow! Thankfully i made it home ok today...stoped on me twice on the way home then started working again and running just fine all the way home

Guru9fsv8 yes the meter moves, and no engine light comes on.

Ism having the sam EXACT issue with my 2010 Malibu LT I don’t know why this is happening. When the car drives it’s perfect but when it cuts off it will turn over but not start. We’re you able to get this problem resolved?

Its the fuse block in the trunk my to be replaced thay short out and can melt the plastic in the fuse block wier ur fuses and relays go in thats mostly common in Malibu s. .. Look thier is u plyed around with that and it stated up now irt wont is cuse it shorted out and melted the fuse block trust me. Id look thier that controls other thing it happins alot cuse pepole use thier cigar liter out lite for charging thoer phones or for other things and that can cas a load on your fuse block .look thier.

Id start pepole at looking in the trunk and look at ur fuse box and look at the progs take outthe fuse box and diconet the fuse box but ferst disconnet battry ferst thwn take ur fuse box out that in ur trunk and look at ur progs and look for melted plastic my advice ..

13,080

only 2 things come to mind ..i is the anti -theft ,,however the anti-theft is deactivated once the car is in motion so a good chance the cam position sensor pickup ... it's usually located under the hood toward the back of the engine with the ignition unit. Look for a 2 wire connector with wires running down the back of the engine ... when they intermittently fail like yours ... it will drive you nuts .... mine had the wires melted because it was too close to the exhaust manifold ... it would work then cut out then work again

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