Hi,
My Volvo 940 is having issues starting and running. When I can get it started, it seems as if fuel isn't getting to the engine, and it ends up turning off on its own after about a minute in idle at 1000 RPM. When I give it gas, the RPM does not increase as it should and hiccups. The engine dies immediately after putting it in reverse, which I know is set to be 800 RPM. We have tried a jump start that didn't seem to make any difference. I have checked the codes and got a 2-1-4 in Module A socket 6, pointing to a faulty RPM sensor, wiring or incorrect installation. The car has over a half tank full of gas. I found a loose vacuum hose on the engine and reattached it, but this had no effect either. Any advice is greatly appreciated.
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