Hello, Vehicle started right up, ran perfect for few minutes, then started running poorly. Changed fuel filter. Same problem, seems to get worse when driving? Thinking fuel pump or relay, how do you troubleshoot to know which to replace? Or, could it be an injector issue? 191k miles. Thanks!
Could be a fuel regulator also. I would start by checking the fuel pressure with a specialized gauge. The range varies for every auto depending on where you hook up guage you will have some pressure loss, but it should be only a few pounds. I would check for power at the pump also, should be battery voltage. The relay is easy to check, just swap out the relay with one door another one that matches, like for the fan or Windows etc. Look for an embossed number on the relay, to make sure. Make sure to put it back. And replace if that fixes the issue. There's may be a code that could set the dash light on. It may also have residual codes that don't set off the light. An injector issue should ping a specific cylinder with a code. The fuel pump would cause all cylinders to set off codes.
I’m happy to help further over the phone at https://www.6ya.com/expert/paul_0efc97cca45309c1
SOURCE: 2000 Honda Passport Fuel Issue?
I have a 2000 Honda Passport. Once mine stalled, it would not restart. Sounded as if out of gas. I thought fuel pump. Took it to service station. They found a short in the electrical system. The fuse kept popping. They replaced blown fuse in coil and module. They tested misc wiring in main harness. They found and repaired bad wires in main harness for module and coils in left front inner fender. My check engine light was on for several months. Since I got it back from repair shop, it has finally gone off! I hope this helps! Good luck!
SOURCE: 1993 honda accord 2.2,no injector pulse
This sounds like a main relay problem here is a diagram its located under the dash under steering column its the brownish -orange box in the picture. http://www.tegger.com/hondafaq/mainrelaylocation/7-main_relay_closeup.jpg Good luck and thanks for using FIX YA
SOURCE: Car turns over wants to start but won't defin not starter
if your car has problems starting then gas shouldnt be the problem.. maybe an alternater or starter ignition
SOURCE: 1986 Accord - fuel pump relay problem - HELP!
relay is under dash on driver side behind cruise control box. You tube has a demonstration on there for 92 accord.
SOURCE: 1998 Honda Civic 1.6 5 speed - Error codes: po300,
Man it sound like u needa replace the idle valve selenoid .. but try cleaning it with a sensor cleaner spray and then try it it will help trist me i did that to mine it worked
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