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Old 07-17-2003, 11:15 AM
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Join Date: Jul 2003
Posts: 1
Smile 1988 - 300se hesitation

When starting to accelerate car hesitates big time until you reach 30 mph. After that , it accelerates as normal . Doesnt matter if car is warm or cold , car hesitates even worse when load is on motor , A/C is on , or climbing a hill .

I've heard it may be an oxygen sensor ? Dirty injectors (have cleaned twice with Tecron - no luck ) , or cap & rotor ??

Any further ideas as how to proceed in diagnosis ?


Last edited by Yabba Dabba Do; 07-17-2003 at 11:27 AM.
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Old 07-18-2003, 07:41 AM
it leaks, its german
Join Date: Mar 2002
Location: raleigh nc
Posts: 1,111
If it is not accompanied by a skip I'd change the plugs and check the base CO for starters.

Project Smoker, '87 603 powered wagon
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Old 07-18-2003, 09:43 AM
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Join Date: Jul 2001
Location: SoCal
Posts: 1,303
Sounds like you may not be getting any enrichment from your airflow meter pot. This probably means it is being ignored - limp mode. I would check connections, then the EHA current, and go from there.

'91 MB 190E 2.3
'08 RAV4 Ltd 3.5
'83 Lazy Daze m'home 5.7
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