93 surges when driving
I have a 93 wrangler straight 6 that surges when driving, I have replace the fuel filter. and the injectors, and plugs and new wires and rotor, still having problem. Any help?
Ecu temp sensor is good? Is there a map sensor on the fuel injected models? I don't remember from when my wife had a 93. The fuel pressure is holding good?
I don't feel like working on anything at this time so i sold my yj.
Please check for codes, while not all problems on OBDI can be picked up, it is the first place to start. Beyond that, if no codes, then check fuel pressure at the rail using the Schrader valve. Rent a tester from a part house if need be. Check pressure at idle and again with the vacuum line removed from the fuel pressure regulator. Reinstall the vacuum line and then shut her down. Continue to monitor the pressure over time and see how much it bleeds down if at all. This info will give us a good point to start with to help you solve this issue. This may not show any good info, but at least many things will be ruled out.
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