My scooby splutters under hard acceleration
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My scooby splutters under hard acceleration
Hi can anyone help me I have a jap import Subaru impreza wagon. It starts first time ,idles fine and if u drive it sensibly is fine, but When you get heavy footed with the throttle it splutters and the boost gauge will go a bit higher than normal and Flicker a lot. It had a good service done and was told it was because the plugs were black and the fuel filter was ****ty and looked like it was the original one but this hasn't helped please can anyone help and try and shed some light on my problem.
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A bit more info on age and model would be helpful.
Have you checked coil pack(s) & associated wiring? They are common for breaking down over time. Also check all vacuum & turbo pipes are fitted correctly & not leaking.
Have you checked coil pack(s) & associated wiring? They are common for breaking down over time. Also check all vacuum & turbo pipes are fitted correctly & not leaking.
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Hi I've had a lot of nice cars over the years and always wanted a scooby I'm really happy with it and didn't realise it was such a friendly seen. More info on my car it's a 95 import and been told its the STI engine by the person that done the service but haven't checked up on it yet. They put it on the diagnostics and no codes came up for coils etc, he did tell me it could be a fuel thing so give it time and c if it passes but also been told it could b the ecu or the maf sensor as it is I did get both of these in spare parts when I got the car but unsure if they've been tried or not. It also has an induction kit which is new but no popular make, bailey dump valve which seems rather load and u can here it permanently building up pressure at any speed and been told it has a full stainless 2 1/2 inch decat exhaust thanks for any replys I get will take them all on board and once me and the scooby have bonded will put some pics up of her.
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"It could be a fuel thing so give it time and see if it passes" ?
Who the hell told you that?
For a start get rid of the bailey's and the induction kit, get some decent fuel into the tank, then report back
Who the hell told you that?
For a start get rid of the bailey's and the induction kit, get some decent fuel into the tank, then report back
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Cool cheers !! But had plans to push the bhp a bit n thought induction kit would help ??? N what's the best fuel to use ?? Thanks again !!
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Well I think we found the problem
Super only, higher the Ron the better for an import, you may find the Ecuador is trying to stop your engine from killing itself so is cutting back as much as it can, hence your bad running.
I would suggest not driving hard and filling up with Tesco 99 or shell v power from now on, shove some octane booster in if you have a lot of 95ron left in there Miller's is fairly easy to find
Tony
Super only, higher the Ron the better for an import, you may find the Ecuador is trying to stop your engine from killing itself so is cutting back as much as it can, hence your bad running.
I would suggest not driving hard and filling up with Tesco 99 or shell v power from now on, shove some octane booster in if you have a lot of 95ron left in there Miller's is fairly easy to find
Tony
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Well I think we found the problem
Super only, higher the Ron the better for an import, you may find the Ecu is trying to stop your engine from killing itself so is cutting back as much as it can, hence your bad running.
I would suggest not driving hard and filling up with Tesco 99 or shell v power from now on, shove some octane booster in if you have a lot of 95ron left in there Miller's is fairly easy to find
Tony
Super only, higher the Ron the better for an import, you may find the Ecu is trying to stop your engine from killing itself so is cutting back as much as it can, hence your bad running.
I would suggest not driving hard and filling up with Tesco 99 or shell v power from now on, shove some octane booster in if you have a lot of 95ron left in there Miller's is fairly easy to find
Tony
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if its not the fuel as suggested above the next thing i would suggest is you have a boost leak, as this can show all the same signs as a maf problem as i had it when i burst a boost pipe its easy to check for boost leaks you can do it 2 ways, with the engine running and reving from withing the engine bay all you neeed to do is get a bottle of water with a decent amount of fairy liquid in and spray it all over the joins and piping from the turbo to throttle body small areas at a time then give it a rev and you will see bubbles made in the area where leaks are another way is if you have a compressor connect that to your boost system dump valve ususally an easy area as its small then block the filter off so it doesnt escape there and then you can easily hear the hissing and confirm with the spray hope that helps
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I'd rather put coal in mine!
Fuel quality is critical, mate. Sounds like your ECU is doing a pretty good of stopping your car detting its **** off by pulling ignition timing.
Fill up with V power of Tesco Momentum and ONLY use those from now on. Problem should be solved. Drive a bit carefully until you've got though a tankful or so of the good stuff though as you'll still have some of the old NUL sloshing around in the tank.
Basically, if the car is protesting when driven with some gusto then that's your cue to drive like a saint until you establish and rectify the problem. If you're not already friendly with a Subaru specialist, then now would be a good time for an introduction!
Fuel quality is critical, mate. Sounds like your ECU is doing a pretty good of stopping your car detting its **** off by pulling ignition timing.
Fill up with V power of Tesco Momentum and ONLY use those from now on. Problem should be solved. Drive a bit carefully until you've got though a tankful or so of the good stuff though as you'll still have some of the old NUL sloshing around in the tank.
Basically, if the car is protesting when driven with some gusto then that's your cue to drive like a saint until you establish and rectify the problem. If you're not already friendly with a Subaru specialist, then now would be a good time for an introduction!
Last edited by New_scooby_04; 23 September 2012 at 10:44 AM.
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Wow thanks every one!! loving the friendly welcome n help from u all will fill up with the right fuel n see what happens then will report back !!!!
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I've put 5 full tanks in since I bought it unsure bout bloke b4 as he said it spluttered but thought it was a coil pack I will fill up with the good stuff a couple of times and see what happens thanks again everyone for the help :-)
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Hi m8 had 3 or 4 tanks of v power go through at one point thought was better but then went bad again just got my nf octane boost through today so just put the recomended amount in with a full tank done bout 20 miles with it so far seemed ok but put foot down once seemed better then done it again got a really bad splutter nearly got wiplash and it puffed some smoke out the back and then cleared again im keeping fingers crossed but not feeling optimistic . Should just leave it a bit longer b4 trying anything else?
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I had a similar problem with my type r. Changed every cheap option ie plugs leads ect, still no better. It turned out to be the fuel pump suprisingly. Worth a shot if nothin else works. Ide go for a walbro
#29
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http://www.scoobypedia.co.uk/index.p...eadingECUCodes
Are they the correct plugs and is the garage your using good with Subaru's or just a local?
You seem a bit vague on the car details, is it an STi?
Is it definetly an import? Rear wiper?
What is the model number on the VIN Plate?
All these details will help us help you?
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What diagnostic did they run? The early Classics do not have a diagnostic port.
http://www.scoobypedia.co.uk/index.p...eadingECUCodes
Are they the correct plugs and is the garage your using good with Subaru's or just a local?
You seem a bit vague on the car details, is it an STi?
Is it definetly an import? Rear wiper?
What is the model number on the VIN Plate?
All these details will help us help you?
http://www.scoobypedia.co.uk/index.p...eadingECUCodes
Are they the correct plugs and is the garage your using good with Subaru's or just a local?
You seem a bit vague on the car details, is it an STi?
Is it definetly an import? Rear wiper?
What is the model number on the VIN Plate?
All these details will help us help you?
As above, what type and grade of plugs are being used? If they're wrong or not gapped correctly, you will get running problems similar to those you have mentioned.