P3191 toyota prius. Jan 1 2014 17 1 0 location. Page 1 of 2 1 2 next raspberryconverse junior member. P3190 toyota prius engine problem because the presence of voltage at the panel harness wont make the panel work if there is a bad ground connection.
In my case it would actually start for a few seconds and then immediately stop. Discussion in gen 2 prius care maintenance and troubleshooting started by raspberryconverse mar 10 2014. How many miles on the odometer.
Since the instrument cluster is mounted in a plastic dash a separate ground wire or ground circuit through the wiring harness is usually needed to complete the power circuit. 2001 2009 prius p3191 p3190 p0a0f quick checks for toyota prius mil repair if you just had your oil changed and are having issues with a dying or misfiring prius read this. P3191 means engine no start and p3190 means poor engine power.
That is the descriptor for the p3191 code. With the prius ig off open the hood remove the engine air cleaner cover and look at the throttle body interior. P3191 toyota meaning the hybrid vehicle electronic control unit hv ecu delivers data to the engine control module for such items as power output required for the engine required output estimated torque produced by the engine engine rpm of control target rpm and whether engine is in start mode or notbased on required output and target rpm the ecm calculates a target torque that is to be.
The most common codes from the 2001 2009 toyota prius and often those that stump most auto mechanics and many a toyota mechanic are p3191 engine does not start. How much fuel is in the tank when you have a problem. A forum community dedicated to toyota prius hybrid owners and enthusiasts.
Heres a nifty troubleshooting guide i found online which shows how to isolate the cause of the p3191 code. The abs code may have been triggered by p3191. P3191 toyota description the hybrid vehicle electronic control unit hv ecu delivers data to the engine control module for such items as power output required for the engine required output estimated torque produced by the engine engine rpm of control target rpm and whether engine is in start mode or notbased on required output and target rpm the ecm calculates a target torque that is.
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