SL/R129: 1991 SL500 R129 Low Rough Idle and Dies on Acceleration
#1
1991 SL500 R129 Low Rough Idle and Dies on Acceleration
Just picked up this California clean car that doesn't roll. It starts with super low idle. If I try to step on gas peddle it dies. If I manually press down on air flow meter it idles fine. If I manually throttle and press down on air flow meter it revs fine. When cold I need to initially give it a lil bit starting fluid. If keep spraying it idles higher. I don't know if it's electrical
I checked following:
I checked following:
- checked fuel presser at prime and run at fuel distributor.
- vacuum leaks
- cam sensor
- cleaned and checked OVP valve.
- OVP relay fuse
- all other fuses
#3
Super Member
Assuming this is the old KE-Jetronic fuel system have you checked the duty cycle at idle and at 2500 rpm.
Does it stall both when engine is cold and hot?
Does it stall both when engine is cold and hot?
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#4
Newbie