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Engine losing power and jumping when accelerating

Hi, I have a V reg daewoo matiz and recently it has been struggling. It's normally a nippy little car and accelerates quite quickly but seems to have been losing power recently. It feels like it's going to stall when at a standstill and jumps as if it's going to pack in when accelerating. I had the fuel cut off switch replaced this time last year in case this has anything to do with it? It's fuel consumption has increased but probably because I'm having to use more juice to pull away from junctions etc. Any ideas what's wrong with it?

Posted by wasting_time on

  • wasting_time
    wasting_time Feb 10, 2013

    Cheers for your help - Have been checking oil regularly due to cold weather and haven't noticed any residue. I figured it would be a fuel problem as this is my second matiz and I have alot of experience with fuel related problems between the two cars. Have read about distributor caps being an issue on this car so could this have anything to do with it?. It's becoming undrivable as is jumping all over the road & i'm expecting it to clap out everytime I try and increase speed, particularly in 1st-3rd gear!

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1 Answer

Jerome Minks

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  • Cars & Trucks Master
  • 3,103 Answers

When was the last good tune up done? fuel filter changed? air cleaner? check emissions vacuum system for leaks..repost findings

Posted on Feb 10, 2013

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5 Related Answers

phoenixinks

Jason Robertson

  • 89 Answers

SOURCE: engine cuts out on acceleration

could be the pump or injectors or both. while your at it check your fuel tank for rust dirt any thing.

good luck

Jason

Posted on Jan 17, 2009

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Anonymous

  • 34 Answers

SOURCE: lack of power.2002 Suzuki Swift GLS 1.0

ok how much water and oil is it useing it could be a headgasket problem it may also have a blocked air breather pipe take the oil filler cap off if it has a thick mily residue on the cap it could be the sign of eather a head gasket or back pressure on the engine which means the engine may need replaced hope i have helped you -but the swift is usualy a good car as my other half runs one

Posted on Apr 01, 2009

Anonymous

  • 17 Answers

SOURCE: Struggling to Accelerate immediately after starting engine

Definitely not the fuel pump. A fuel pump will either work, or it wont. It could be a fuel filter, though unlikely, again if it was clogged there would be nothing. Could be spark plugs/wires, a faulty coil pack, Could also be a handful of sensors (o2, MAF, are a few that come to mind). Does it have a manual transmission? If so can the car be started without engaging the clutch (in neutral)? If so check the 2 clutch sensors attached to the clutch pedal.

Probably a sensor. Go to Advanced Auto parts and have them pull the code. Then google it. Or check out Forums.vwvortex.com

Posted on Jul 07, 2009

Lloyd Six

Lloyd Deakin

  • 560 Answers

SOURCE: The engine turns over but it won't start.

Unfortunately the F9Q (1.9 DCi) has 3 common faults, these are as follows

1. MAFS Mass air flow sensor - this will cause initially hesitation but eventually make the car really slow as the turbo waste gate will no longer open.

2. EGR - Exhaust gas recurcultion valve - a result fro the forementioned, the MAFS failure causes high carbon build up, this sticks to the valve and siezes it open, this causes an inlet pressure fault code

3. In-line fuel pump - this pump is a 3bar pressure pump that really plays up then gives up the ghost, hence *non starter* it could be hidden away somewhere on the chassis, you need to look for it, it could be mounted under an wheel arch etc. It is about 5" long and 2.5" diametre, it is inline so a pipe at either end and 2 wires going to it.

I bet my last dollar thats what is up. It fits in with what you said.

Let me know if UK I may help more

Merry Christmas

Lloyd

Posted on Dec 24, 2009

Anonymous

  • 3 Answers

SOURCE: 2000 VW Beetle idles rough and loses power on acceleration

maybe coil pac!!!

Posted on Jan 10, 2010

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