Vauxhall Zafira idle speed too high.

2008 Vauxhall Zafira Problem

Ref#20640
CarVauxhall Zafira 1.6 energy
Year2008
Ownernashorn
Posted09/10/2017
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Hi, my car is idling at 1800 when cold, and only drops to 1250 when hot, i was advised to block the egr valve but it made no difference. i can't find any vac leak, i am wondering could it be the idle valve but i don't know where this is located. any help greatly appreciated.
Problem Category
Running Rough, Starting & Power Loss


Solution 1
1/4drive | Auto Insider | Since: Jun 2011 | Posts: 25 | Fixes: 1539 | View Garage
Suggested Solution

Many Vauxhalls need the idler reset after a battery is changed or run flat.
But you do need Vaux software to do this.


Posted on Tuesday 10th of October 2017
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Solution 2
whittingehame | Legend | Since: Oct 2009 | Posts: 444 | Fixes: 11466 | View Garage
Suggested Solution

Could be engine coolant temp sensor faulty and sending incorrect data to ECU


Posted on Tuesday 10th of October 2017
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Solution 3
theboys-21 | Driver | Since: Oct 2017 | Posts: 0 | Fixes: 5 | View Garage
Suggested Solution

hi try disconnecting the throttle body then start the car it should rev at about 2500 rpm . Leave it running for about 30 to 50 seconds then turn the car off plug the throttle body back in and restart the car .That will reset the throttle body..


Posted on Thursday 26th of October 2017
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