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...
Hi there. These codes (https://www.yourmechanic.com/article/how-to-read-and-understand-check-engine-light-codes-by-jason-unrau) are coming on for a possible fuel pressure issue that could also be causing the catalytic converter (https://www.yourmechanic.com/services/catalytic-converter-replacement) to burn too hot. Check the fuel rail pressure and make sure that the pressure does not...
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...
Hello. You have 2 separate problems here. The P0191 (https://www.yourmechanic.com/article/p0191-obd-ii-trouble-code-fuel-rail-pressure-sensor-circuit-range-performance-by-jamahl-walker) (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...