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1994 Ford Probe rough idle

Tiny
26PHIL
  • MEMBER
  • 1994 FORD PROBE
Engine Performance problem
1994 Ford Probe 4 cyl Front Wheel Drive Manual 178xxx miles

the car starts fine but sometimes when I come to a stop sign or stop light it idles rough it acts like it wants to shut off. I did notice when I changed the spark plugs there was oil on them do u think I should replace the valve stem seals.
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Sunday, January 3rd, 2010 AT 7:32 PM

2 Replies

Tiny
RACEFAN966
  • MECHANIC
  • 5,029 POSTS
The oil was on the outside of the plugs right? If that is correct then you need a new vavle cover gasket that includes spark plug seals. Here is a pic of the gasket. Then I would replace the spark plug wires if they are covered in oil.


https://www.2carpros.com/forum/automotive_pictures/249564_612303_1.jpg

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Monday, January 4th, 2010 AT 12:16 PM
Tiny
BLASTO
  • MEMBER
  • 5 POSTS
If car runs rough only at idle, it's unlikely to be the leads. I would check the TPS. Yes, you have an unrelated leaking VCG, they last about 5 years or 30000km.
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Tuesday, January 5th, 2010 AT 5:38 PM

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