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The Terminator
Engine/Tuning
Engine dies, code 1233
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<blockquote data-quote="rattle_snake" data-source="post: 16752938" data-attributes="member: 126699"><p>Ok Thanks Vinnie.</p><p></p><p>Did some more testing. Let car run until it died. Observed the mechanical gauge vs what is reported over OBD. They appear to correlate. Upon attempts to restart, I see huge swings from 0 to 100 psi as engine stumbles and dies. Eventually it restarted and ran for 15 min without issue. I shut it down and read codes, only one present is P0193. I had cleared codes some time ago.</p><p></p><p>P0193 - Fuel Rail Pressure Sensor Circuit High Input</p><p></p><p>Not sure if this code will set when fuel pressure really does exceed 100 PSI.</p><p>If sensor output hiccups it causes control loop to go unstable. It appears that FPRS is ok most of the time. Next step is measure raw sensor voltage or try to data log to capture the event.</p></blockquote><p></p>
[QUOTE="rattle_snake, post: 16752938, member: 126699"] Ok Thanks Vinnie. Did some more testing. Let car run until it died. Observed the mechanical gauge vs what is reported over OBD. They appear to correlate. Upon attempts to restart, I see huge swings from 0 to 100 psi as engine stumbles and dies. Eventually it restarted and ran for 15 min without issue. I shut it down and read codes, only one present is P0193. I had cleared codes some time ago. P0193 - Fuel Rail Pressure Sensor Circuit High Input Not sure if this code will set when fuel pressure really does exceed 100 PSI. If sensor output hiccups it causes control loop to go unstable. It appears that FPRS is ok most of the time. Next step is measure raw sensor voltage or try to data log to capture the event. [/QUOTE]
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Engine dies, code 1233
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