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Thread: hesitating when accelerating

  
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    jonny22's Avatar
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    hesitating when accelerating

    Over the last few weeks ive noticed that by car has started hesitating a little bit when accelerating.
    It normally happens when im in a high gear, say 2000rpm, ill put my foot down and the car pulls then hesitates then boosts fine right around the rev range.
    It dosent happen over 2500rpm. The 1st thing i was thinking is throttle body may be clogged up but havent had time to clean it due to work

    The car is a coupe turbo

    Any suggestions

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    RAXSTAR's Avatar
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    It's most prob the bcs you will be better off changing the front and back. Will cost about £20is each. If it's still there it could be the afm but try the bcs as it's the cheapest.

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    you running oe dumpvalve?
    my ebay apexi air filter + adapter link:
    http://cgi.ebay.co.uk/ws/eBayISAPI.d...e=STRK:MESE:IT

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    Quote Originally Posted by inmyvain View Post
    you running oe dumpvalve?
    Yes mate ....

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    Quote Originally Posted by RAXSTAR View Post
    It's most prob the bcs you will be better off changing the front and back. Will cost about £20is each. If it's still there it could be the afm but try the bcs as it's the cheapest.

    Is there a how to, is it a hard job, im a turbo virgin you see and havent had the car long

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    AdamH-SRi-T's Avatar
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    if your car has a standard map on its more then likely a flat spot caused by bcs for example. My car ran flat between 2 and 2.5k revs on standard map, felt like alot of lag then pick up and go lol. a stage 1 map soon sorted that out

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    Quote Originally Posted by Adam_Astra_SXI View Post
    if your car has a standard map on its more then likely a flat spot caused by bcs for example. My car ran flat between 2 and 2.5k revs on standard map, felt like alot of lag then pick up and go lol. a stage 1 map soon sorted that out

    Yeah that was my initial thought as i know standard z20lets suffer from flat spot around them revs, but its a slight judder also, think im going to give it a full service over the next couple of weeks and clean the throttle body etc, cant do it no harm.

    Need a remap like but hopefully getting a fmic on the group buy so will be after that

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    Rainey88's Avatar
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    Id get all the bits you want before you remap it mate... im in same boat just had mine longer. Waiting til iv got my full exhaust and front mount and few other bits then il get it mapped.

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    bcs??? think i have a similar problem im really not up on the abreviations

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    boost controll solenoid. you should have 2.

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