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SLK-Class (R170) 1998-2003: SLK 200, SLK 230K, SLK 320

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Old 10-30-2009, 01:30 PM   #1
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Join Date: Feb 2003
Location: Reno
Posts: 17
Drives: '97 red miata (for sale)/ '03 red slk230
surging RPM

my '03 SLK 230 (90,000 miles) is doing wierd stuff--after 15-20 minutes of 70 MPH on cruise control, the RPM's will start to surge up and down by about 20+ RPM. This suring continues while in normal city stop and go traffic. After shutting down the engine, every thing seems ok until another run with cruise control. I've tried the soft ECU reset--still happens after a cruise control run. Ideas??

thanks, Larry
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kopy kat is offline   Reply With Quote
Old 01-11-2010, 03:53 PM   #2
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Join Date: Feb 2003
Location: Reno
Posts: 17
Drives: '97 red miata (for sale)/ '03 red slk230
possible TPS problem?

update--surging still there--but happens with out using cruise control--starts after a long (10+ miles) run at 65 + mph.

possible TPS problem???

thanks, Larry
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Old 01-11-2010, 03:53 PM
 
 
 
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Tags
1998, 2003, 230, control, cruise, cruising, miata, r170, rpm, rpms, sign, slk, slk230, stop, surge, surging



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