Rigby
Member
Registered: 3rd Mar 16
User status: Offline
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My c20xe has a fault high voltage to the tps sensor so changed it and still has same code run and idles fine just stalls when comes to a stop, and when I unplug the sensor it runs perfect done about 150 miles with it unplugged? Any suggestions would
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noshua
Member
Registered: 19th Nov 08
User status: Offline
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Get rid all I see is help posts about ur broken c20xe
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Rigby
Member
Registered: 3rd Mar 16
User status: Offline
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Isn't this forum so where to get help?
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Generation
Member
Registered: 7th Jul 09
Location: Essex
User status: Offline
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I'm not expert on wiring.
But if you're sure the fault is there, firstly make sure sensor you're using is working properly, even the replacement could be faulty if not new.
Then trace back the wiring going to it
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Stoneyginger
Premium Member
Registered: 25th Jan 01
Location: Stonehaven, Aberdeenshire
User status: Offline
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Have you tried cleaning out the idle control valve? It's on the back of the engine under the inlet manifold is usually a culprit for cutting out when coming to a standstill
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Rigby
Member
Registered: 3rd Mar 16
User status: Offline
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It runs perfect with the tps sensor unplugged idles perfect pulls hard it just when plugged in it stalls when you come to a stop. Could you run the car with the sensor unplugged?
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Generation
Member
Registered: 7th Jul 09
Location: Essex
User status: Offline
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Constant threads for help, gets some and ignores the few responses he does get.
Wonder why people don't bother with help section? There's your answer.
Good luck
[Edited on 07-08-2016 by Generation]
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Ian
Site Administrator
Registered: 28th Aug 99
Location: Liverpool
User status: Offline
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quote: Originally posted by Rigby
Could you run the car with the sensor unplugged?
Yes but you're getting the fall-back map which although better than what you have still won't be optimal for performance / fuel consumption etc.
Tempting to run like that but fixing the fault is preferable.
Few suggesting in here - http://www.migweb.co.uk/forums/engines-transmission/409916-c20xe-tps-voltage-too-high.html
Ranging from broken wires to running wrong sensors for that version of ECU and loom so first thing to check is that is all correct, by the looks of things 2.5 is only designed to read 0 or 5v whereas 2.8 gives a range of voltages based on throttle position.
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Rigby
Member
Registered: 3rd Mar 16
User status: Offline
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Will try and repair when I get back off my holiday, thanks. The car doesn't suffer from lost of performance as pulls hard in every gear, not sure about fuel I do about 200+ plus miles to £35 not sure what you suppose to get
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Ian
Site Administrator
Registered: 28th Aug 99
Location: Liverpool
User status: Offline
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Basically it needs the sensor working, if it was fine without Vauxhall wouldn't have gone to the expense of using one.
Need to see whether the loom / management compatibility issue is applicable or if not check all the wiring over for breaks.
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Rigby
Member
Registered: 3rd Mar 16
User status: Offline
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Yer Am going to have look after my holiday, what mangememt is a early dizzy type is it 2.5? Thanks for the quick reply a
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