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Martin191

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Posts posted by Martin191

    Boost cut/ loosing boost?!

    in Skoda Octavia Mk I (1996-2004)

    Posted

    Hi, do you mean the problems got worse with changing the Walbro for the Sytec pump? Or do you mean something else with before? I have similar problems...

    Threads a bit old mate...

     

    Wouldn't mind redeeming though, My vrs has a weird issue where boost drops off by a few psi then rebuilds back up again, all without lifting the throttle. 

    Lump start up,Rev's searching when idling

    in Skoda Octavia Mk I (1996-2004)

    Posted · Edited by Martin191

    http://forums.vwvortex.com/showthread.php?4893472-DIY-Ultimate-SAI-N249-PCV-EVAP-Delete

     

    I recommend doing n112, n249 and pcv delete with a catch can install. This will remove all potential air leaks and overall creates a much more responsive car (you'd be surprised!)

     

    Also in regards to the throttle body, you won't need a replacement gasket if you're careful, and Euro car parts sells carb cleaner for £2.50, if you've got one close. I think they also do the tb gasket too, don't quote me on that though.

     

    Edit -

    http://forums.vwvortex.com/showthread.php?5417830-FAQ-Links-DIY-Reference-Table-of-Contents-1-8t

    This has just about every problem noted, a search on there usually brings up a guide on how to solve it. 

    Boost dropping hugely - Recirculation valve or Wastegate?

    in Skoda Octavia Mk I (1996-2004)

    Posted

    Finally found my problem, after all this time it was the suction jet pump...

    I did the suction jet pump this morning after reading that it can cause the error code 17705 that I've been experiencing. Straight after removal my car was more responsive and didn't have the air rushing noise it used to have when coming on boost.

    Also want to redeem V12 as although vital checks weren't made, he was dedicated to his service and was adamant it wasn't a software issue, which turned out to be correct.

    • Like 1

    Boost dropping hugely - Recirculation valve or Wastegate?

    in Skoda Octavia Mk I (1996-2004)

    Posted

    I would have thought a faulty MAP would do more than just throw a code, and if it did it would probably directly relate to it. I could be wrong though. Only way to test the MAP is swap one in I think.

    If it's still pulling that code and crank sensor has improved things I'm still inclined to think the remap isn't helping, or could be the root cause. You say it was pulling g that code before remap though? Can't remember you saying but did you check all pipework?I boos

    I can pressurise and hold 30 psi between the turbo and the intake manifold so I highly doubt it's an air leak. Also block 032 was showing 0.8 in the left hand field :) 

     

    It would go in to limp mode on the old map without a manual boost controller installed. But If i'm honest I think that's because the guy who remapped just told the ecu to boost 15+ psi without the ecu requesting it. Causing the overboost limp mode.

    Octy vRS - Intermittent loss of power on motorway

    in Skoda Octavia Mk I (1996-2004)

    Posted · Edited by Martin191

    Hi all,

     

    My vRS is at 130k on the clock (I bought it at 113) and it's been faultless. It covers 100 miles a day, every day. It's 100% standard and not been remapped.

     

    However, it's recently developed an intermittent loss of power at motorway speed, where it'll momentarily lose drive for a second or two, before breathing back into life. It's done this on three occasions in the last couple of weeks, each when I've covered around 40 miles and been driving for 50 minutes or so continuously. I'm not sure if it's coincidental, but it occurs when I'm just about to hit the red on the fuel gauge, before the warning light sounds and gives you a heart attack. 

     

    It boosts great, no warning lights or strange noises. Initially, it done it while cruise control was engaged, but today it's stuttered with my foot on the pedal. It's just had an oil & filter change (Platinum) and I replaced the coil packs when I bought the car, along with spark plugs. It sometimes has a bit of an idle judder, but I wouldn't assume that the problems are one and the same.

     

    I've looked around and it seems that the engine speed sensor could be the culprit, or possibly the MAF. Is it worth getting it on diagnostic, even though its not throwing up any warning lights? I have no idea when the fuel filter was last changed. Could the low fuel level result in a lower pressure head and it struggles to draw any though? I don't always notice the fuel pump priming when I open the door, even when it's been left over night.

     

    Your thoughts or recommendations would be appreciated.

     

    Cheers,

    Keith

     

    It must be that time of the year! 1 week a go my Crank sensor broke (speed sensor). I changed it and now it's running as smooth as ever. I had the exact same symptoms as you, it was showing signs of breaking 1 week prior to the car stalling whilst driving and becoming almost impossible to start. If I were you I'd get it changed now before the stalling starts. 

     

    Also to note: I got the 16706 fault code and the EPC light came on when my car played up. 

     

    EDIT - I also changed my fuel filter prior to this, but it didn't make a difference.

    Best suspension for B-roads?

    in Skoda Octavia Mk I (1996-2004)

    Posted

    Just bought myself some Koni STR.T with H&R Springs and I can honestly say it's one of the best investment's I've made to date. Brilliant handling and puts the power down really well. In my opinion the ride is just right, it doesn't break your back when going over a speed bump and it also doesn't wallow about in corners. 

    • Like 1

    Boost dropping hugely - Recirculation valve or Wastegate?

    in Skoda Octavia Mk I (1996-2004)

    Posted

    Had a nightmare trip back from work yesterday, ended up having to drive it in first and second gear for 10 odd miles to keep the rpm high / to stop it from conking out. 

     

    Bought and fit a new sensor today though and it starts! which is a huge improvement from yesterday! I can't take it out for a drive due to being blocked in on the road I'm parked on, but idling seems a fair bit smoother too, if it can effect that.

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