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-   -   1987 260e hard starting (http://www.peachparts.com/shopforum/tech-help/8824-1987-260e-hard-starting.html)

BigRichard72 08-08-2000 10:39 AM

Help, I have a 1987 260e that runs excellent but has to crank 15-20 times before it starts? once started runs and idles great, and ideas, how do i check the over voltage protection relay i have been reading about and where is it on my car.

Thanks, Richard
MBCA Member

BigRichard72@home.com

joel 08-08-2000 11:05 AM

it is at the firewall behind your battery.
it is the relay with a 10A fuse on top of it. you may only need a new fuse. good luck.

BigRichard72 08-08-2000 02:07 PM

Pulled the relay and the fuse is good, any other things to check for, it just has to crank about 15 times to start then runs great.

Richard
MBCA Member

5banger 08-08-2000 02:54 PM

I believe that an OVP can still be bad even though the fuse is good (not source as much current as a new one.) The part has been revised as well; available at Partsshop. Confirm with Donnie/Steve. Best of luck, Andrew Seidel.

BigRichard72 08-08-2000 02:58 PM

Is there a way to test the OVP relay?

5banger 08-08-2000 03:30 PM

Search the threads--there are a few recent posts with good details (a 300e, I think.) The basic idea is to remove the air filter, look for the Electro-Hydraulic Actuator (black box, 2 pins, mounted to the firewall-side in my case), hook an ammeter in-line with the circuit, and measure current. I seem to remember it was ~20mA with the key-on-engine-off. In the case of my '89 2.6, it was actually the EHA itself that was worn out, but I needed an OVP in the case of my 2.3. Hope this helps--the other threads explain better, Andrew Seidel.


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