Monday, August 30, 2021

99 w140 DAS or key problem. Start error

I have a 99 s500. It will crank but no start. Sometimes I get the start error message. However I have spark, injector pulse. 50 psi of fuel pressure. My question is if the DAS was bad would I still be getting fuel pressure and spark? Is my key bad?
I have a 99 s500. It will crank but no start. Sometimes I get the start error message. However I have spark, injector pulse. 50 psi of fuel pressure. My question is if the DAS was bad would I still be getting fuel pressure and spark? Is my key bad?

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