1989 Ford Falcon Sympon Diagnosis

Tiny
GEORGEM
  • MEMBER
  • 1989 FORD FALCON
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 24,000 MILES
Hi,
When the vehicle is driven between 40 -60km it seems to pull back. The problem stops when I increase speed to 80- 100km. When I slow back to 40 -60km in starts to pull back again.
I have changed fuel filter and fuel pump thinking this was the cause, the problem still occurs.

Please advise what you think the problem may be.


Regards

George Mantis
Sunday, December 13th, 2009 AT 4:40 PM

3 Replies

Tiny
MHPAUTOS
  • MECHANIC
  • 31,937 POSTS
HI there,

Is this the center point or multi point injection system?

Mark (mhpautos)
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Monday, December 14th, 2009 AT 3:45 AM
Tiny
GEORGEM
  • MEMBER
  • 4 POSTS
Hi,

It's the centre point injection system

Regards

George Mantis
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Monday, December 14th, 2009 AT 3:41 PM
Tiny
MHPAUTOS
  • MECHANIC
  • 31,937 POSTS
Hi there,

Check for vacuum leaks around the center point injector and the manifold, they often leak at the rear near the fire wall, run some fuel system cleaner and check the air filter, check the base timing and a the two diagnostic tests with a scanner, check MAP sensor. Start here.

Mark (mhpautos)
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Monday, December 14th, 2009 AT 3:50 PM

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