Slightly hesitant when pulling away

Started by zipimini, May 12, 2011, 21:33

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zipimini

May 12, 2011, 21:33 Last Edit: January 1, 1970, 01:00 by Guest
Hi everyone,
I'm now a Roadster owner after a few turbulent years with an MGF. She had been stuck in a barn for nearly two years and I'm very pleased with her after sorting a few issues out, four different types of tyre (including directional and assymetric on the front), extremely bad tracking, cheap crap oil, etc etc. Got her sorted with a set of Toyo's oil and filter/air filter change tracking sorted and she's running well......except for when pulling away. Revs are around 600 on idle but when I goto move away the revs drop slightly and she almost stalls. The MGF used to idle at around 750 so can anyone tell me if this is a common easy fix or do I have to delve a bit deeper?
Thanks in advance

loadswine

#1
May 12, 2011, 21:37 Last Edit: January 1, 1970, 01:00 by Guest
Glad we have another Roadster owner on board.  s:) :) s:)  
You could try cleaning the mass air flow sensor, that might help.
No Roadster any more, Golf 7.5 GTi Performance

zipimini

#2
May 12, 2011, 21:49 Last Edit: January 1, 1970, 01:00 by Guest
Quote from: "loadswine"Glad we have another Roadster owner on board.  s:) :) s:)  
You could try cleaning the mass air flow sensor, that might help.

After life with an F the roadster is a pure pleasure. I'll give it a go and report back. I did run an OBD and one of the historic faults was engine running lean. Oh and if anyone in the Peterborough area needs an OBD scan just drop me a PM.

Anonymous

#3
May 13, 2011, 06:21 Last Edit: January 1, 1970, 01:00 by Guest
Check out my signature for a guide.  s:D :D s:D

Wabbitkilla

#4
May 13, 2011, 07:58 Last Edit: January 1, 1970, 01:00 by Guest
Tickover is normally around 800rpm, so that could explain the nearly stalling.
You've been given good advice here, give the maf a clean and reset the ecu while you're at it (not that it probably needs it after that amount of time in a barn   s:lol: :lol: s:lol:  )

Welcome to the club   s:D :D s:D
Cute & fluffy animals were definitely hurt during the production of this post, there're plenty more where they came from
Aztec Bronze S2 Elise 111S
Campovolo Grey Abarth 595 Competizione

onion86

#5
May 13, 2011, 09:26 Last Edit: January 1, 1970, 01:00 by Guest
Quote from: "Wabbitkilla"reset the ecu while you're at it (not that it probably needs it after that amount of time in a barn   s:lol: :lol: s:lol:  )
I was going to say that too  s:lol: :lol: s:lol:  ; I assume the battery was long gone and you had to put a new one in it anyway, but I would definitely reset the ECU after the MAF clean.
Sable 55 C-One MR2 C2 Turbo - A/C, Black Heated Leather, TTE Twin Exhaust, Cruise Control

zipimini

#6
May 24, 2011, 08:54 Last Edit: January 1, 1970, 01:00 by Guest
OK guys, firstly thank you to you all for diagnosing the MAF sensor. I removed the sensor and cleaned it with Carb cleaner and a cotton bud. Disconnected the battery for an hour and then took her for a run............. Bloody hell what a difference!

I'd always been a little disappointed in her performance compared to the MGF (she is 200 kilo's lighter and officially only a few BHP down), but I took her out for a run and no hesitantcy in any gear, sorted. As it was a nice day I went for a bit of a longer test drive, put my foot down to overtake and.......She came alive!! It was like someone had put another 20 horsepower in her!
So once a gain a big Thank You to loadswine and Life of Bryan and everyone else who came up with suggestions
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