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  Motor missing a beat?

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Motor missing a beat? by Kristian V
Started on: 07-07-2006 05:20 AM
Replies: 4
Last post by: Kristian V on 07-07-2006 03:51 PM
Kristian V
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Report this Post07-07-2006 05:20 AM Click Here to See the Profile for Kristian VSend a Private Message to Kristian VDirect Link to This Post
My red 87-GT works great, exept for this litle anoying thing.
The motor is missing a beat every 10-60sec untill it's warm, and it still may miss a beat once in a while even when hot.
What might be the problem?

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87-GT - 5-spd. Red
87-GT - 5-spd. Black

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3800superfast
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Report this Post07-07-2006 07:41 AM Click Here to See the Profile for 3800superfastSend a Private Message to 3800superfastDirect Link to This Post
At idle, it could be:
1. worn plugs
2. plug wires
3.incorrect timing
4. vacum leaks
5. low or un-even compression
During driving:
1.fuel filter
2. injectors
3. cracked dis cap, components, dis wires, ect
4. faulty emission system
5. faulty ignition
6. vacum leak in the fuel injection system, intake manifold or vac hoses


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Kristian V
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Report this Post07-07-2006 10:33 AM Click Here to See the Profile for Kristian VSend a Private Message to Kristian VDirect Link to This Post
OK... Just regular stuff then. Thank's!

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87-GT - 5-spd. Red
87-GT - 5-spd. Black

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3800superfast
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Report this Post07-07-2006 11:41 AM Click Here to See the Profile for 3800superfastSend a Private Message to 3800superfastDirect Link to This Post
I would start with the timing--it doesn`t cost anything. It sounds like its advanced to far, just a hunch,hope it helps some...
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Kristian V
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Report this Post07-07-2006 03:51 PM Click Here to See the Profile for Kristian VSend a Private Message to Kristian VDirect Link to This Post
OK, i will. Thank's!
Around where i live there is not many who knows anything about Fieros, so it's great to have internet and you guys to ask for help.
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