systematic testing of fuel components

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systematic testing of fuel components

04-11-2014, 07:09 PM

JamesDean

Electrical Engineer

Join Date: Apr 2005

Location: NE Ohio

Posts: 5,037

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Quote:

Originally Posted by lsmalley

wired a small light to fuel pump. will monitor to see if i am losing power to pump. does the 1990 190E 2.6 have a fp relay?

IIRC in 90, they moved to the MAS relay:
011 545 79 32 - M103 MAS Control Unit - Imgur

Heres fuel pressure testing kit. I have the version that didnt come with a box:
http://www.amazon.com/Tool-Aid-33865-K-Jetronic-Injection/dp/B0002SR5NU

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