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07-28-2006, 09:02 PM
#1 (permalink )
BenzWorld Member
Date registered: Jun 2006
Vehicle: 1984 190E 2.3
Location: Oklahoma City, OK
Posts: 64
OVP Relay?
What exactly does this thing do. And if this relay were bad would the car still pump fuel and create spark? (because mine does, it just wont start).
I am having a problem with my car (see my other threads to find out more).
Thanks for the info.
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07-28-2006, 09:17 PM
#2 (permalink )
BenzWorld Elite
Date registered: Oct 2004
Posts: 6,675
The over voltage protection relay provides constant power to the ECU to ensue the fueling system works correctly. It also powers other systems such as the ABS.
If faulty or not working the ECU will not read data from the engine sensors correctly and make incorrect adjustments – or no adjustments at all – often resulting in a rough idle or overall poor performance.
The relay has a 10 amp fuse that may have blown, check that first.
07-29-2006, 10:16 AM
#3 (permalink )
BenzWorld Elite
Date registered: May 2004
Vehicle: 2008 Outback 2.5 XT, 1999 A4 1.8T
Location: Tustin CA
Posts: 1,766
Quote:
Originally Posted by Dracus
What exactly does this thing do. And if this relay were bad would the car still pump fuel and create spark? (because mine does, it just wont start).
I am having a problem with my car (see my other threads to find out more).
Thanks for the info.
is your check engine light on? Indeed, check that fuse first.... it could be a 50 cent solution to a much bigger problem
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07-29-2006, 03:00 PM
#4 (permalink )
BenzWorld Member
Date registered: Jun 2006
Vehicle: 1984 190E 2.3
Location: Oklahoma City, OK
Posts: 64
Yeah the 10amp fuse is fine.
Oh and I have a 84 190E
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