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Old 05-10-2003, 10:19 AM
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300 E (89) ECR can't find it

I want to do an ECR test, but I can't find the component. I don't see anything that looks like it resembles any ECR from previously owned vehichles. Please describe its location and what it looks like. Engine starts hard and runs rough and hesitates only when warm.

Thank you for your support.
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Old 05-10-2003, 10:25 AM
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Join Date: Aug 1999
Location: Florida / N.H.
Posts: 8,784
Is that something comparable to US version EGR valve??
What does ECR stand for?
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Old 05-10-2003, 11:12 AM
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Join Date: Mar 2003
Location: Southern California
Posts: 2,055
Assuming you're talking about EGR, locate and inspect the emission certification label in the engine compartment. It's probably on the upper radiator support. It will have abreviations for the installed emission control devices such as TWC (three-way catalyst) and EGR (exhaust gas recirculation).

If your car is equipped with EGR, the valve is on the rear exhaust manifold. If your car does not have EGR the pad on the manifold for the valve will be easily discernable, but it will not be machined.

I believe CA certified 103s had EGR in '89, but maybe not all, and I'm not sure about 49 state models. My '88 CA certified 2.6 does NOT have EGR.

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Old 05-10-2003, 08:11 PM
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Join Date: Oct 2002
Location: Near Raleigh, NC
Posts: 580
My 1986 300E does not have an EGR valve either.
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1999 Porsche 996 Carrera Convertible
1994 420E - SOLD
1986 300E - SOLD, what a car
609 Certified
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