Question about 1988 Mazda 323 Hatchback
Had replays head gaskit compretion test is fine sparplugs is fine valve and ignition timing is fine... injecters are firering at the same time why and is this why my car dont start now ?
Listen for the fuel pump to turn on with the key ON. Do you hear it buzz on for a couple of seconds, and then shut off? If you do, the pump is working. If you don't hear it, the pump is bad or the wiring to the pump is not working. Check the relay.
Usually, on a four cylinder with multi-port injection, injectors 1 and 3 fire simultaneously, and then injectors 2 and 4 will fire at same time (because their ground wires are spliced together before entering the computer. When the computer internally grounds the wire, the injectors will pulse). Are you certain that all four are pulsing at same time? If so, that may be the Mazda way. But I think you are right to believe it is a fuel problem. Test the pump as stated above, key on (not start) and listen for pump to turn on.
Posted on Feb 10, 2012
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Posted on Jan 02, 2017
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