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I think this could definitely be cause by bad fuel. It would probably do good for you to put a bottle or two of gas treatment into your tank. Put it in and run the fuel down to near empty (not all the way, but run it down to about an 1/8th tank), then fill the tank full with gas from a known good source. You may ask how do you figure out which gas is good? ...


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Most auto part stores will loan enough tools to test what's wrong. Check your fuel pressure, your cylinder compression, and make sure your ignition system doesn't have water damage. If there are any DTCs those would help pinpoint the exact problem also.


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It's not just performance that's suffering if you use a fuel less than recommended.. You're doing unseen damage to your head gasket. By the time it's noticeable, it's too late and you've caused an expensive repair that could have been avoided. If your owner's manual says 87 or higher, go with the higher! Subaru is having a huge problem with their head ...


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Even if you're ecu changes to help prevent damage to youre engine, you're still causing damage to your head gasket.. This is one of the reasons subaru has had so many head gasket issues.. The manual says 87 or higher recommended... They didn't want Americans to not buy the car if they recommended premium fuel for an awd car.. So if the car says 87 or higher, ...


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I think they are worth using but there are some things to keep in mind. First off, if the car is old and the injectors very dirty and clogged, chances are that no liquid additive will get them clean by itself. The Berryman B-12 Chemtool is one of the strongest solvents, so try that, but if that doesn't do it, your probably aren't getting them clean this ...


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I agree with Paulster2, it's very probably that you have water trapped in your exhaust. After it runs for a few minutes, is there any steam coming out of the tailpipe? A little steam is normal after first start up but after the engine warms up it should stop. If you have a never ending source of steam you can take apart the exhaust system and dump it out ...


1

I finally took the car to a shop. It turns out that the problem was the charcoal canister, which needed to be replaced.


0

To my knowledge the reserve setting is for reserving that last bit of gas. If the bike starts to sputter, you're probably low on fuel,you can then switch reserve and have maybe another 50 miles of fuel left. I always set the valve to off if it won't be ridden within a days time. But the carb flooding is also a damn good reason to use it. Parking for a while ...


1

Thanks for the replies all. I found it was actually the pump. Whilst it was working the bearings were shot so it wasnt working well. Replaced and all good.


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I eventually found the issue: the fuel lifter pump was faulty. For those that dont know, the Mk1 has 2 fuel pumps - the main one underneath the car and a 2nd 'lifter' pump that sits inside the fuel tank. This 2nd pump's bearing were gone. The primary pump had enough power to run the car but I guess the g-force under braking overrided the fuel pressure ...


5

Mixing 95 octane gasoline with 92 is perfectly fine. In fact, this is what many gas stations do in order to offer their mid-grade product. For example, many gas stations in the United States offer 87, 89, and 91 octane gasoline. The 89 octane gasoline is a 50-50 mix of 87 and 91 octane gasoline. Mixing grades of gasoline will not harm your engine as long as ...



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