Thread: Fuel Injection:
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Old 05-03-2001, 12:13 AM
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BENZ-LGB BENZ-LGB is offline
Strong, silent type
Join Date: Apr 2001
Location: Southern California
Posts: 1,663
I am about to expose my ignorance...but what's an EHA (what do the letters EHA stand for). Where does it sit/where is it located? What does it do? Why does it leak? How does the leak affect cold idle? If it leaks fuel, isn't there danger of an underhood fire? I have seen the EHA mentioned in posts mostly dealing with rough idle, either cold or warm, and I've always wondered what the EHA is. Also, is there a device that controls fuel pressure as it squirts through the injectors? In my 1991 420SEL there is a large, round metal dome-like structure. It sits underneath the air cleaner housing and towards the firewall. Brass lines come out of this device and lead to each individual injector. I used to own a 1984 300SD and a 1967 250SE and neither one had a similar device. I look forward to your responses. Thanks
Current Benzes

1989 300TE "Alice"
1990 300CE "Sam Spade"
1991 300CE "Beowulf" RIP (06.1991 - 10.10.2007)
1998 E320 "Orson"
2002 C320 Wagon "Molly Fox"

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