Car will turn over but will not start. I can hear the fuel pump, fuel pump fuse is good. Sparyed starter fuild into the intake - did not kick over. Hearing a low volume back fire/pressure at the pipe as I release the starter switch.
3 days ago I had to run the car on a near empty gas tank ( ran fine). filled the tank ( sat overnight) and the next day it took 5 attempts to start- but ran ok . car sat at work and then took 3 attempts to start the car for the trip home -ran fine. Parked the car over night and could not get the car to start.
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Re: 2000 mazda MX-5 1.8l
Have you checked that you have power to the coil on cranking?You may also want to check wether you have a good strong spark at the spark plug.It could be an ignition module breaking down.If you have no power to the coil you may need to change the ignition relay.Its close to the battery.
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Are you certain you have fuel coming through? Best to check gas flow to make sure there is gas coming through lines. Did you change fuel pump with OEM or aftermarket? Electronic? All connections good and do you hear the fuel pump work? In my automotive life I have gotten a bad fuel pump before.
Also, not positive but I believe there are at least 2 fuel filters. I know my old Honda Civic had 3, so make sure you have identified where all fuel filters are.
Need more specifics regarding what kind of noise it is making, if any.
In a quiet place - such as your garage, turn on the key, but don't start the car. When you first turn it on you should hear a whirring sound from around the fuel tank area. This is your fuel pump. If you don't hear it pressurize your fuel lines then it most probably the fuel pump has gone bad or a fuse is blown. Check your fuses - there usually is one for the fuel pump.
First thing I'd do is check if everything was connected, vacuum lines, fuel lines, connectors, etc. If all good, check the fuses and fuel pump relay. My guess would be the vac line to the fuel pressure regulator.
if car wont start.make sure your battery volts are 12.5.if not charge battery.or replace it if dont hold a charge.if battery is good engine wont turn over.make sure battery cables is clean and tight if all good no start .have starter and starter solenoid check.if battery and starter is good.check for fuel .has some one turn ignition to the on position.go to rear of car listen for fuel pump noise.if your hear fuel pump check ignition system for spark.go to auto parts place buy a spark tester.if you get no spark .check .ignition fuses and ignition module.if you hear no fuel pump.replace relay or fuse.if if fuse and relay good replace fuel pump.if every thing good .your car could have crank sensor problem. or your car is in theft deterrant mode.if so have your car towed in and scanned.
the only method that work was pulling the fuel pump fuse,wait 1 minute, crank her with out your foot being on the gas
for 15 sec. Put the fuse back in , and start her up normaly. 1 st
attempt she started but cut off, redid the process over , got in
started her up normally, but had my foot 1/4 way down on the
acclerator. She started and feathered the gas til she was fully
operational. Let her stay on for about 10 minutes then took her out for
a good long spirited drive.
When you turn the key to full electrical power (right before you'd crank it), do you hear a hum from behind you? It'd be the fuel pump, and it should run for a few seconds. If it does, and you have no cranking when you turn the key, check the starter relay - if it's shot, it won't allow power to the starter, and the car won't crank. If you don't hear the hum, check fuses and relays for the fuel pump first, and if they're OK, you may have a dead fuel pump.