2004 Vauxhall Zafira Sri dti Spanner light

Vauxhall Zafira Problem
The Problem
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Chicken D

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Spanner light
Dec 9, 2016 (3 years ago)
The car starts from cold ,but when warm the spanner light comes on and the car either cuts out ,which you can restart after switching off ignition, ore will go int limp mode.
Tested with meter and code po638 ,electronic throttle open circuit/ control voltage low.
What's the possible problem.
Electronic throttle unit, or something else.

Car details
Car: Vauxhall Zafira
Variant: Sri dti
Model Year: 2004
Category: Electrics, ECU, Warnings & Lights

Recalls: Vauxhall Zafira Recalls
More: Vauxhall Zafira Problems
Parts mentioned in this problem
Replies and solutions
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whittingehame
Fixes: 12,297
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Dec 9, 2016 (3 years ago)
Could be the throttle body , wiring to same , or also check the throttle pedal / wiring plug .
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