2013 malibu turbo fuel psi - Chevy Malibu Forum: Chevrolet Malibu Forums
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post #1 of 6 (permalink) Old 03-27-2019, 10:32 AM Thread Starter
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2013 malibu turbo fuel psi

I was wondering what the 2.0 turbo fuel rail psi is, I'm having some issues with the car jerking under load it's showing 3100 kpa at idle. Thanks
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post #2 of 6 (permalink) Old 03-27-2019, 12:06 PM
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Re: 2013 malibu turbo fuel psi

I don't have the answer for your question, but is it throwing any codes and have you addressed the possibility of bad carbon build up from the direct injection?


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post #3 of 6 (permalink) Old 03-27-2019, 03:17 PM
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Re: 2013 malibu turbo fuel psi

Also, others can probably help you a bit better if you'll also include the number of miles on the odo, the kind of gas you use (octane, whether it's Top Tier, how low you go before filling up, etc), and any other stuff that could make a difference for members offering to help.


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post #4 of 6 (permalink) Old 03-27-2019, 07:06 PM Thread Starter
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It has only has 70000 miles i run 89 octane fill up when it gets around 1/4, the car started out with a small sudder around 42mph I replaced the plugs and coils but still no chance the rpms will fluctuate up and down just avarge driving with no incline but more noticeable uphill, the other day I was driving and it seem like It had no boost It gave a code p0014 and p0171 i replaced the vvt solenoid on the ex side and it fixed the boost problem but it still doing the same thing as before rpms still fluctuate thought it could be the torque converter but it does it when cold. When you first start the car it will black smoke for just a second the tail pipe tips are black like it running rich.It dont use any oil and is powerful like it should be, would a boost leak make it do this?

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post #5 of 6 (permalink) Old 04-06-2019, 02:16 AM
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Re: 2013 malibu turbo fuel psi

Quote:
Originally Posted by Jimlogger View Post
I was wondering what the 2.0 turbo fuel rail psi is, I'm having some issues with the car jerking under load it's showing 3100 kpa at idle. Thanks
I am in no way an actual technician and you're better off getting a professional opinion over what I say.

That said 3,100kpa seems like it's right around the normal operating range of a direct injection idle pressure. 3,100kpa is about 450psi. Of course this isn't GM specific but a direct injection engine can run from about 300psi(2,000kpa) to around 2,500psi(17,000kpa) all depending on engine type, load, air induction, ect.

At idle your engine isn't under a load and there's no boost being produced from the turbo so your fuel demand will be low. For now i'd say your 3,100kpa is about normal....... Unless you can find someone with more knowledge that can say for certain if it's low or not.
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post #6 of 6 (permalink) Old 04-07-2019, 05:26 AM
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Re: 2013 malibu turbo fuel psi

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Originally Posted by Jimlogger View Post
It has only has 70000 miles i run 89 octane fill up when it gets around 1/4, the car started out with a small sudder around 42mph I replaced the plugs and coils but still no chance the rpms will fluctuate up and down just avarge driving with no incline but more noticeable uphill, the other day I was driving and it seem like It had no boost It gave a code p0014 and p0171 i replaced the vvt solenoid on the ex side and it fixed the boost problem but it still doing the same thing as before rpms still fluctuate thought it could be the torque converter but it does it when cold. When you first start the car it will black smoke for just a second the tail pipe tips are black like it running rich.It dont use any oil and is powerful like it should be, would a boost leak make it do this?
Cold start up normal to puff black as rich fuel is needed for cold starts.
P0171 code
Possible causes
•Intake air leaks
•Faulty front heated oxygen sensor
•Ignition misfiring
•Faulty fuel injectors
•Exhaust gas leaks
•Incorrect fuel pressure
•Lack of fuel
•Faulty Mass Air Flow (MAF) sensor
•Incorrect Positive Crankcase Ventilation (PCV) hose connection

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