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Old 12-12-2001, 10:48 PM
David C Klasse's Avatar
David C Klasse David C Klasse is offline
CheFrac is Back!
Join Date: Jan 2001
Location: Mission Hills in the City of San Diego
Posts: 2,352
Ok... I observed some more characteristics today.
The fuel injectors turn off when the engine is revved high (driving hard). If I drive very slowly and keep the RPMs below 3000 (probably good for me ), then the car will not act up.
But when I step on it, I hear a POP (which I thought was still something in the drivetrain), and then immediately the engine runs like crap... /the injectors shut off.

So it seems to me as though I am getting a very lean POP which turns off the injectors to protect the catalyst.
Now, because of the lean POP, I get the misfire, which is really what is turning off the injectors, correct?

Shouldn't the ECU adjust accordingly by itself? What do you guys think I'm looking at?
Thanks a bunch guys.

*engine not revving hugh until problem resolved*
2006 E350 w/ 155k miles (Daily Driver)

1993 300E 3.2L Sedan w/ close to about 300k miles
2003 E500 Brilliant Silver (Had 217k miles when totalled!)
1989 300E with 289,000 miles (had for <1 yr while in HI)
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2000 C230k Sport sedans
2001 CLK320 Cabrio (Mom's)
1995 C280 My First Mercedes-Benz... (155k miles. EXCEPTIONAL AUTOMOBILE. Was Very hard to let go of!)
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