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P0191

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P0191 OBD-II Trouble Code: Fuel Rail Pressure Sensor Circuit Range/Performance
P0191 trouble code definition Fuel Rail Pressure Sensor Circuit Range/Performance is the technical definition for this code Note: This code may be associated with: OBD-II Trouble Code P0171 (excessively rich...

Related questions

Question
I got a code P0191 for the fuel rail pressure and a code P0237 for turbocharger boost.
Hi there. When the battery was arched, the power surge had went through the vehicle and caused some circuits to fail. If right after the power surge happened and now you have a code for the fuel pressure and the...
Question
Black smoke and rich fuel the codes P0191 & P0452 and short trim bank 1 & 2. Both at -28.9
Hello. You have 2 separate problems here. The P0191 (fuel rail pressure sensor circuit problem) may just be a symptom - it is reporting suspect fuel pressure on the rail. The fuel pressure on the rail is controlled by the...
Question
P0140, P0191, P2000. I put a new oxygen sensor in
Hi there. These codes are coming on for a possible fuel pressure issue that could also be causing the catalytic converter to burn too hot. Check the fuel rail pressure and make sure that the pressure does not exceed minimum...
Question
P0191 code coming on - I already changed the fuel pump, fuel pressure sensor, and driver fuel module
Hi there. Check the fuel pressure on the rail with the engine off and the key on, with the engine running at idle, and the engine running at 2000 rpm. If the fuel pressure is greater than 35 psi, then...

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