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Author Topic: Major probs! Help please!!!! Clip test done.  (Read 5114 times)

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JamesV6CDX

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Re: Major probs! Help please!!!!
« Reply #15 on: 19 May 2008, 20:25:53 »
Quote
Did clip test and these 2 faults came up obviuosly with engine not running.

code 21 Throttle pos Sensor (High voltage)

code 74 Mass Air Flow Sensor (High voltage)

Any ideas?

Air leak?
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jasonxr2racer

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Re: Major probs! Help please!!!! Clip test done.
« Reply #16 on: 19 May 2008, 20:27:31 »
Thats been said before but checked pipes.

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philhoward

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Re: Major probs! Help please!!!! Clip test done.
« Reply #17 on: 19 May 2008, 20:59:00 »
High voltage reported on another post (idle speed valve) turned out to be a duff alternator - but those two (IIRC) run off an ECU generated voltage...
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Running an X30XE in a Reliant Scimitar GTE as I can't have an Omega as a company car...

jasonxr2racer

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Re: Major probs! Help please!!!! Clip test done.
« Reply #18 on: 19 May 2008, 21:04:13 »
I suspected the TPS to be suspect with my first problem of the idle going up and down from 1000 to 1500 RPM when car was warmed up.

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JamesV6CDX

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Re: Major probs! Help please!!!! Clip test done.
« Reply #19 on: 20 May 2008, 00:07:09 »
Have you read the battery voltage with the engine running?
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JamesV6CDX

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Re: Major probs! Help please!!!! Clip test done.
« Reply #20 on: 20 May 2008, 00:08:13 »
To add - I've never seen a V6 TPS fail.

Usually the codes are caused by an underlying electrical problem (often the regulator)

Stick a multemeter on the battey at tickover, and vacc test it - and let us know the findings.

I still suspect an air leak is contributing.
« Last Edit: 20 May 2008, 00:09:19 by JamesV6CDX »
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jasonxr2racer

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Re: Major probs! Help please!!!! Clip test done.
« Reply #21 on: 20 May 2008, 20:59:29 »
Cant do that task cos i cant get it to run.

Now off the road and Vectra back in use.

Car will be sold once sorted!!!!
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jasonxr2racer

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Re: Major probs! Help please!!!! Clip test done.
« Reply #22 on: 21 May 2008, 20:02:29 »
Had another try to get Omega going today.

Checked all the Vac pipes and all ok.

I could only get the car to run when I removed the Ram pipes from the Inlet manifold.

Also would only idle if pipe from ICV was removed from ram pipe.

Any ideas?
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trebor

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Re: Major probs! Help please!!!! Clip test done.
« Reply #23 on: 21 May 2008, 20:08:01 »
Blocked or too dirty air filter?

Faulty air flow meter?
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jasonxr2racer

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Re: Major probs! Help please!!!! Clip test done.
« Reply #24 on: 21 May 2008, 20:22:46 »
Quote
Blocked or too dirty air filter?

Faulty air flow meter?

Well when i did clip test faults came up on TPS high voltage and  Mass Air flow sensor High voltage.

Could it be that then?

Before these probs the idle when warm was irratic going from 1000rpm up to 1600 RPM and back constantly.

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johnnycboy

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Re: Major probs! Help please!!!! Clip test done.
« Reply #25 on: 21 May 2008, 20:50:01 »
not being very technical, no connectors have worked loose on any of the sensors. just a suggestion ;)
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jasonxr2racer

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Re: Major probs! Help please!!!! Clip test done.
« Reply #26 on: 21 May 2008, 21:21:35 »
Checked everything today.
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JasonH

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Re: Major probs! Help please!!!! Clip test done.
« Reply #27 on: 22 May 2008, 14:59:52 »
The TPS connector is easy to leave off when doing work and without it the car runs pretty poorly. I'd get that error cleared then see where you are. Could be connector or wiring damaged somewhere.
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