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Topic: Missing (Read 4321 times)
vintage5
Jr. Member
Posts: 70
Missing
«
on:
April 03, 2011, 02:15:00 PM »
During Acceleration is have a miss in the motor. It appears to be a flat spot and after after I pass the spot with the gas pedal it clears up. Any Ideas what is wrong?
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Rocketman
Administrator
Old-Timer
Posts: 5494
91 BPT AWD Capri & 1991 XR2
Missing
«
Reply #1 on:
April 04, 2011, 05:12:00 AM »
Hows the air filter look? Have you changed the fuel filter?
Fresh fuel?
How are your spark plugs? Plug wires? cap & rotor?
Does the VAF door move freely?
I'm going to guess its something ignition related, maybe plug wires if they're old
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1.8L Turbo All Wheel Drive Capri... the "GTXR2"
JJ
Sr. Member
Posts: 474
Missing
«
Reply #2 on:
April 04, 2011, 08:31:00 AM »
Is it always around the same rpm no matter the gear? between 2.5k-3.5k?
I had this issue for years and it's finally gone.
spent a lot of time and money replacing things that probably weren't necessary.
Does the problem go away if you unhook the tps or the o2 sensor?
JJ
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Rocketman
Administrator
Old-Timer
Posts: 5494
91 BPT AWD Capri & 1991 XR2
Missing
«
Reply #3 on:
April 04, 2011, 12:10:00 PM »
JJ,
what ended up being the issue with you capri?
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1.8L Turbo All Wheel Drive Capri... the "GTXR2"
vintage5
Jr. Member
Posts: 70
Missing
«
Reply #4 on:
April 04, 2011, 07:23:00 PM »
As long as I push the gas pretty hard it's not as noticeable but if I just ease on the gas it's pretty bad. When it starts if I go ahead and mash the gas pedal on down it seems to go thru the bad spot.
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vintage5
Jr. Member
Posts: 70
Missing
«
Reply #5 on:
April 06, 2011, 01:45:00 AM »
Thanks JJ, I unhooked the TPS and the miss/Flat spot when away, so now I am looking for a TPS.
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JJ
Sr. Member
Posts: 474
Missing
«
Reply #6 on:
April 06, 2011, 01:09:00 PM »
vintage: may not be the tps. but you're safe to drive it like that until you figure it out. will reply more later about what I did or you can search this forum for the post.
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JJ
Sr. Member
Posts: 474
Missing
«
Reply #7 on:
April 07, 2011, 04:07:00 PM »
read through:
http://teamcapri.com/capri-gi/ultimatebb.cgi?ubb=get_topic;f=3;t=000308
short answer: rechecked timing, and possible thermostat ground was the problem.
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vintage5
Jr. Member
Posts: 70
Missing
«
Reply #8 on:
April 13, 2011, 03:56:00 PM »
JJ thanks for the help! I was able to trace the 4 wires by using the wiring diagram and the orange wire labled TPS cut and installed a on/off switch in that wire until I can check the things mentioned in the aritcle. Will update after I have checked.
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