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  #1  
Old 05-21-2005, 05:01 PM
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svx_commuter svx_commuter is offline
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O/T 1.8L Impreza BUT simlar to SVX engine

I got a problem with my Impreza. Sometimes it won’t start.
I was looking at the trouble chart for the SVX that I think is very helpful.
I think it’s the fuel injectors. I think that the injector stays open sometimes and after the car sits for about an hour and a half, too much gas has leaked into the cylinder. When it does start it runs very rich and bucks until the gas clears out.

Do the fuel injectors make sense?

The car runs great all the rest of the time. No CEL codes or anything.

I think it is not the ECU power supply or the fuel pump or pressure regulator, or ignitor or coil or plugs because I think when these items break they stay broken and don’t start working again. Does anybody know if it could be one of these items?
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  #2  
Old 05-21-2005, 05:30 PM
oab_au oab_au is offline
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Quote:
Originally Posted by svx_commuter
I got a problem with my Impreza. Sometimes it won’t start.
I was looking at the trouble chart for the SVX that I think is very helpful.
I think it’s the fuel injectors. I think that the injector stays open sometimes and after the car sits for about an hour and a half, too much gas has leaked into the cylinder. When it does start it runs very rich and bucks until the gas clears out.

Do the fuel injectors make sense?

The car runs great all the rest of the time. No CEL codes or anything.

I think it is not the ECU power supply or the fuel pump or pressure regulator, or ignitor or coil or plugs because I think when these items break they stay broken and don’t start working again. Does anybody know if it could be one of these items?
Hi John, It could be a leaking injector, if it does it regular, before you try to start it, you could try opening the fuel line, to the injectors to see if there is still some pressure in there, it should hold some over night. If not, it may have leaked down through a leaky one.

Harvey.
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  #3  
Old 05-21-2005, 10:21 PM
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Conn SVX Conn SVX is offline
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My Legacy turbo had the problem over a month period sometime it would start sometimes would only crank. strange if I left it over night it would pop right off after 6 engine turns ( so it seemed) If I went more than 6 sec. it would not start turned out to be a weak fulel pump. Dealer said just cause it pumps gas does not mean it will produce the 125 lb the injectors require. $285.00 and it never failed again.
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Old 06-13-2005, 04:21 PM
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svx_commuter svx_commuter is offline
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Well I started to disconnect the fuel pump to kill the engine and thought I was on to something, fuel injectors. Then I hooked a pressure gauge and even after the pressure dropped to 13 psi a half hour later on hot engine, it still started.

Then the check engine light started to come on. It was thowing a code 21, temperature sensor. It took the ECU an awful long time to start showing the trouble.

Replaced the sensor for about $21 dollars and all is well. Unfortuniately, I replace the starter and alternator before that. I was relieing on other peoples discription of the problem and got in a rush to fix it. Oh well it runs great now.
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