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Intermittent loss of power/stopping

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2.4K views 3 replies 3 participants last post by  Michael Crane  
#1 ·
Hi All.
I have a 14 plate 1.0ltr Corsa (petrol) on 64k miles.
The car starts and runs fine for approx 20 mins then loses power which gets progressively worse until it stops, it will not restart unless its left for about 15 mins then it starts and runs.
Went to a local garage and although no fault codes were found they suggested to replace the plugs and coil pack, which they did.
the problem still persists, took it to a second garage again and Still no fault codes found.
The car has had the fuel pump relay replaced, new battery, new fuel pump but has not cured the issue.
Any ideas ?
 
#3 ·
You're best getting yourself an obd reader which shows live data, take a note of the readings when it's running ok on a cold start, running ok when upto to temp and when it's failling. It could show where the problem area is.
As you've found most garages will just change parts at your expense until they get it right... if they ever do.