1995 Ford Contour exhaust manifold heating up red hot

Tiny
BRIANDEANNELSON
  • MEMBER
  • 1995 FORD CONTOUR
  • 4 CYL
  • FWD
  • AUTOMATIC
  • 106,421 MILES
My 1995 Ford Contour with a 2.0L, 4 cylinder engine will start and sluggish run. After engine reachs full operating temperture the exhaust manifold is glowing red hot. I understand the engine is running extremely lean and no parts have been replaced as of yet.

Is this a timing belt issue?
Could the catalyic converter be restricted?
Are there certain sensors that need replaced?
Is the fuel system a likely cause?
How common is this malfunction?

Please help with any ideas. Scratching my head too long. Brian.
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Monday, March 24th, 2008 AT 8:06 PM

1 Reply

Tiny
FLEXY5
  • MEMBER
There are two main things that will cause this. 1. Restricted exhaust. Check for a plugged converter or muffler. 2. Timing. If the timing is too far off, combustion will take place when the exhaust valves are open, causing the manifold to glow. It is not a fuel delivery issue, as not enough fuel would cause a cooler burn. If the engine was running lean before, you may be dealing with two separate issues. You will need to find either the exhaust or the timing problem and fix it before any further judgements can be made. You may also want to replace the O2 sensor nearest the manifold since it may be damaged now. Check these suggestions and post back your findings. I have heard of this before, but they come few and far between and not always the same type of vehicle.
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Monday, March 24th, 2008 AT 9:08 PM

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