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Topics - Stfitts

Main Message Board / 2 M25XP Starting questions
May 03, 2023, 08:48:15 PM
Hi All,
I went out to start her up for the first time this season today and experienced a no start. I didn't feel that the glow plugs were getting hot enough, so I'm hoping thats my issue. As I don't know the age of the plugs, I've ordered new ones and going to do the Solenoid mod (found However, I feel like I've seen conflicting information.

From a wiring prospective, should I be connecting to the Starter or the Starting Battery positive post? I've seen BOTH ways mentioned.


Should the "knurl" bleed screw be full open (counter clockwise/Fuel pump clicking constantly) OR should it be fully closed (tight clockwise/slow clicks) for normal operations? When bleeding the engine, should the pump clicks slow down with full counterclockwise?

Also, on occasion when starting, I would get a single click, other times she would turn over just fine (I plan to go back and clean connectors, ensure everything is crimped correctly/not corroded). Any other thoughts on that outside of what I've mentioned?

Thanks, everyone!


My wife and I are looking for a solid, well maintained 80s/90s c34 anywhere on the East/Gulf coast in the next 60-90 days.

If you are wrapping up your final season or have considered selling, please let me know.

Thank you