Thread: '98 E300 Turbo Diesel - Window Module/Rough Idle
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Old 10-10-2011, 02:45 PM
TMAllison TMAllison is offline
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Join Date: Feb 2004
Location: Walnut Creek, CA & 1,150 miles S of Key West
Posts: 4,874
If your K40 relay is bad you ought to have other electrical gremlins. Intermittant shutdowns, etc.

No fuel pump on this engine. Has a mechanical "lift" pump on the side of the IP.

Check your fuel lines for air bubbles, and the "shut off valve" (balck plastic valve on side of IP) and top of the IP (delivery valves) for fuel leaks. All of the above are sealed using orings that deterioate.
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Terry Allison
N. Calif. & Boca Chica, Panama

09' E320 Bluetec 77k (USA)
09' Hyundai Santa Fe Diesel 48k (S.A.)
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