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Engine light and fuel system pressure


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4 replies to this topic

#1 ashton_subaru

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Posted 18 October 2004 - 12:42 PM

Hi ,

I have a 2001 Forester (120000km) that is exibiting frequent engine light issues. I can clear the light by taking the gas cap off and re-inserting it. I have changed the cap but it has not fixed the problem. Subaru indicates it is a fuel tank pressure issue "somewhere in the system". The car was hit in the rear two years ago and repaired by Subaru.

Is there anyone with fuel tank/system experience that could give me some ideas of what to check in the system?

Thanks,
Bill

#2 jcniest5

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Posted 18 October 2004 - 03:18 PM

It's probably the fuel pump assembly/pressure regulator all going bad. In that case, replacing it will fix your problem. Probably there was such a shock during your crash that the whole is now going.

#3 legacy2.5

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Posted 18 October 2004 - 03:28 PM

have you hooked your computer up to a scanner to find out what code is being set. i would retrieve the code and go from there before you just start replacing parts. once the code is pulled you will have an idea where to start looking.



It's probably the fuel pump assembly/pressure regulator all going bad. In that case, replacing it will fix your problem. Probably there was such a shock during your crash that the whole is now going.



#4 ashton_subaru

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Posted 18 October 2004 - 03:54 PM

I have not yet bit the bullet and brought it to the dealer . As I understand they are the only ones that can trouble shoot this as it invloves turning on and off solenoids to pin point the problem .

I was just wondering if any one else has experienced this kind of behaviour ?

Bill

#5 babusha

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Posted 18 October 2004 - 11:03 PM

It's probably the fuel pump assembly/pressure regulator all going bad. In that case, replacing it will fix your problem. Probably there was such a shock during your crash that the whole is now going.

Add one more to it! Mine is Forester '01 model, 58K miles. "Engine Check" indicator displayed a couple of weeks ago. The most I could do after reading the user's manual was to check the fuel tank door switch/fuel tank cap. While attempting to check the switch, I released the switch from its holder ( plastic outer covering/lining around the fuel door) and it fell down the cavity, and I left it there as such! But, after a couple of days, the indicator turned off by itself for a week or so only to return after that! I'm still wondering if the fuel cap has anything to do with it, even though I tightened it properly. Also, wonder if the switch by the fuel door has anything to do with it. I retrieved the switch from the cavity today, and on inspection, I wondered if it has any tubing at the rear for pressure sensing/release? If so, I could not find any tubing attached to it! And, if not, what is the function of the switch itself?! Could some one adrress it??? Sorry I could not come up with an answer to the original question...




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