What happens if you have a bad fuel system?
What happens if you have a bad fuel system? A faulty fuel pump will cause major performance and drivability issues with your vehicle. If your fuel to air ratio is off and the cylinders aren't getting the fuel, then the pistons aren't firing and your engine is struggling to move the vehicle forward. If your fuel pump is bad enough, your car simply won't start. How to troubleshoot sudden engine problems in a 1991-94? You have moisture in the system, water was coming out of the tailpipe, try new ignition wires, high octane gas, lots of gas now has water...