WHEN THE ENGINE IS COLD. CAR IS DOWN ON POWER,

  • Tiny
  • sam123456789
  • 2003 MG ZR
  • 63,000 miles

When clutch is pressed revs fall and engine stalls. What is wrong? After stalling it restarts but will a little trouble. I have changed the spark plugs and leads. And replaced the idle air control valve. And fuel pressure is fine. But problem still remains. Car is a 2004 53 plate MG ZR 1.4

Monday, March 12th, 2012 AT 8:53 AM

3 Answers

  • Tiny
  • rasmataz
  • Member

Refer to this link:http://www.2carpros.com/articles/engine-has-low-power-output

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Monday, March 12th, 2012 AT 10:59 AM
  • Tiny
  • sam123456789
  • Member

Engine runs really lumpy when cold. But does get better as the engine warms up then runs fine once warm. And only stalls when cold. Have no problems once warm.

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Tuesday, March 13th, 2012 AT 3:40 AM
  • Tiny
  • rasmataz
  • Member

Test for a vacuum leak

http://www.2carpros.com/articles/how-to-use-an-engine-vacuum-gauge

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Tuesday, March 13th, 2012 AT 5:35 AM

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