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Old 09-03-2002, 01:37 PM
aander aander is offline
Registered User
Join Date: Oct 2001
Location: Colorado
Posts: 35
Unhappy HELP: 190E air-flow meter potentiometer worn...

Hello all,

On both of my high mileage 190E-s 2.3 4V and
16V (both 1986) the potentiometer measuring
the air flow (on the side of the chamber just
below the air filter) is worn: reading are
very erratic.

Can someone tell me what the purpose of these
sensors is:

(1) Do they work to compensate for
air/fuel mixture when accelerator pedal is
suddenly depressed?

(2) Also, how much benefit in peformance/
driveability can I expect after spending
$600+ to replace the assembly. After serveral
inquiries I understand that the potentiometer
only is not available; one needs to buy the whole
housing and that is why it costs so much.

(3) Is there an after-market replacement for
the sensor only? Or, is there a shop that would
do it?

Any info greatly appreciated.
Tony Ander
PS: Any sources in Germany??? I will be there for
a week later this month...
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