Guessing OP meant bar, not psi.
3.2b = ~46psi
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| Advise for fuel problem - Vitara https://auszookers.com/forum/viewtopic.php?f=5&t=43762 |
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| Author: | GreyyDawgg [ Wed Nov 06, 2013 5:03 pm ] |
| Post subject: | Advise for fuel problem - Vitara |
Hi there, I am having problems with my 1.6 EFI vitara. It isn't running well at all when cold and then gets better once it is warm. It has like a resistance when increasing revs, almost like a flat spot or its bogging down. It is running a little lean and the fuel pressure is at 2.2 psi and should be at 3.2. Possible things it could be is a faulty airflow meter, fuel pump, fuel filter, dirty injectors(not likely) or what else? Has anyone had this issue? It hasn't been like this since I got it and seems to be getting worse. I just don't understand why it would run so bad when it's colder and them get better once at operating temp. It will get costly if I go changing out all parts and they not the cause. Spark plugs checked and fine. Any advice would be much appreciated. |
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| Author: | want33s [ Wed Nov 06, 2013 7:15 pm ] |
| Post subject: | Re: Advise for fuel problem - Vitara |
Fuel pressure is critical. |
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| Author: | Gwagensteve [ Wed Nov 06, 2013 7:23 pm ] |
| Post subject: | Re: Advise for fuel problem - Vitara |
and it's WAY higher than 2.2 or 3.2 psi. It's more like 45 psi. Steve. |
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| Author: | kenn [ Wed Nov 06, 2013 8:02 pm ] |
| Post subject: | Re: Advise for fuel problem - Vitara |
I'd start with changing the fuel filter. |
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| Author: | Matthew [ Wed Nov 06, 2013 9:22 pm ] |
| Post subject: | Re: Advise for fuel problem - Vitara |
Guessing OP meant bar, not psi. 3.2b = ~46psi
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| Author: | azzas15 [ Thu Nov 07, 2013 6:38 am ] |
| Post subject: | Re: Advise for fuel problem - Vitara |
Dirty injectors maybe. I spent a month trying to track down a similar issue on my old jackaroo. Can make a little cleaning station at home for $4. Just need a couple of cheap plastic syringes. Check out YouTube |
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| Author: | droverdave [ Thu Nov 07, 2013 7:47 am ] |
| Post subject: | Re: Advise for fuel problem - Vitara |
How are you measuring the fuel pressure? If its a guage while the car is running, you should see the pressure change a bit with throttle opening. (fuel pressure regulator doing its thing) 2.2 bar is about 31psi, which is a bit low if its supposed to be 3.2 Also how do you know its running lean? |
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