Hi guys, I really need urgent help I we departed on our holiday travelled 500 miles no problem. Started up this morning as i accelerated the asr light lit up, no other warning lights, obviously went into limp mode. I shut car off restarted and drove another 400 miles no problem. When starting up again asr lit up, shut car off start up fine for the days drive.

What can cause this my toughts rests on the throttle position sensor, as other sensor will have deactivated the abs as well, right? And abs stayed active.

cant pull any codes now but this car does not have a cel
,

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1996 s500
1978 450 slc
1999 C240