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PeachParts Mercedes-Benz Forum (http://www.peachparts.com/shopforum/)
-   Tech Help (http://www.peachparts.com/shopforum/tech-help/)
-   -   Idle problem in 420SEL (http://www.peachparts.com/shopforum/tech-help/200885-idle-problem-420sel.html)

luvdiesel 10-02-2007 01:49 PM
Why are AC lines running to fuel throttle body?
 
Never seen this on other cars. Is this common?

Arthur Dalton 10-02-2007 02:11 PM
To cool the fuel when extreme heat condition exist due to a/c load...prevents vapor lock

zcc 10-02-2007 05:44 PM
Quote:
Originally Posted by luvdiesel (Post 1635151)
Never seen this on other cars. Is this common?
I've seen many of them that come from Japan. But according to the gulf specs I don't see them too although the weather reaches more than 50 degree (122 F).

Arthur Dalton 10-02-2007 05:59 PM
E class 420 system w/cooler..

http://catalog.worldpac.com/mercedesshop/sophio/image.jsp?title=A/C%20Hose&url=http%3A//img.eautopartscatalog.com/live/R102073287ACM.JPG

Look at the $$$$ on the 104 one....ouch !!

http://catalog.worldpac.com/mercedesshop/sophio/quote.jsp?clientid=catalog.mercedesshop&cookieid=21H0MN3YU27010GHW4&baseurl=http://catalog.peachparts.com/&partner=mercedesshop&year=1995&product=R1020-71776&application=000431132

CamelotShadow 10-19-2007 01:06 AM
Quote:
Originally Posted by luvdiesel (Post 1633736)
No abs or other lights are on. Idles at 1600 when in park or idle. Idle drops to around 700 rpm in drive. If you take your foot off the brake, slowly accelerates to around 15 mph and 1200 rpm.

I have an 87' 560SEL parts car that the engine runs fine that I can take parts off to try on this car.
Why would it idel fine in drive & high in park????

what would cause that?:confused:


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