[200q20v] Mixture....advice needed

C1J1Miller at aol.com C1J1Miller at aol.com
Mon Dec 18 15:30:55 EST 2000

You said at full throttle, the mixture is right/rich?  If you increase the fuel pressure with a new or s4/6 fuel pressure regulator, that will increase richness across the board, including at full throttle; not sure if that will be ideal.

I wonder if one of the fuel injector service places could modify the injectors to run the correct pressure?  You might also want to consider a custom reprogram of the ECU to match the injectors.

In a message dated Mon, 18 Dec 2000  3:26:19 PM Eastern Standard Time, Brian.Link at Level3.com writes:

<< You nailed it Chris,
bosch part number for the 91 3B injector is 0280 150 737
my injector is bosch part number 0280 150 951 which is the S4 injector.
the 3B is at 3.0 Bar the S4 is at 4.0 Bar.
Now what?  will a S4 regulator fit?  I guess I will have to get an
adjustable one.

Brian Link

Boulder, CO

More information about the 200q20v mailing list