2nd Generation Specific 1986-1992 Discussion

Goru Why Does My Car Lack Fuel Pulse, And Spark...

Old 02-22-2004, 12:57 PM
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Well Guys I Have posted a lot of threads regarding this specific incident but only in rx7club.com , and not even a reputable mechanic was able to help...

The list of reliability parts is below... I have rebuilded the engine and it ran fine, Im running premix and the car has almost 5000 miles on it...within this time the car has died 2 times while driving in gear... the first time i replaced the starter and the alternator and it fired right up.

The second time about a month an a half ago, The car did the same thing, I replaced the starter again and a new battery and nothing... The rx-7 specialist worked on it for a month with no answer, He said it could be the " THE FRONT DRIVER'S HARNESS" which according to him controls the battery, alternator and coils, what led him to believe this.

Is that when he replaced the ecu the car started for 3 minutes until he moved around some cables around the drivers side by the spark plugs, and stuff and then the car died and wasent able to start again... Anyways he told me to get that harness replaced since it could have something to do with the alarm system keeping the car in "stale mod", This guy has work on rx-7s for almost 10 years...

Anyways, I bought a new frame which cost me 400 dollars all perfect except for no hood, no rims, and no seats, no engine, no tranny, no exhaust. Anyways i was going to swap everything from my car to this one, but I decided to just swap the harnesses even though is a pain in the *** still. I just don't want to spend anymore useless money... what do you guys think are teh best steps for me to take or test or something? Im completly lost and I really need you guys help.

__________________________________________________ __________________

NEW Overhaul gasket kit, New Rotor kit, New Pulsation Damper, New Fuel Lines, New Bypasss coolant Lines, New Heater hoses, New Clamps, New Battery, New Battery clamps, New Silicone Vaccum Lines, New Radiator, New Water Pump, New Starter, New Thermostat, New Rotor and Housing Bearings, New Alternator, New NGK Spark Plug Wires

New NGK plugs, New Thermal Pellet, New Radiator coolant hoses, Rebuild Fuel Injectors, Resurfaced flywheel

New Ecluthmasters clutch Kit, One main cat exhaust, New oxygen sensor, New fuel filter
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Old 02-22-2004, 02:55 PM
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We need a little more information, which year, and is it N/A or Turbo II
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Old 02-22-2004, 03:01 PM
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1988 n/a manual gxl rx7
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Old 02-22-2004, 03:06 PM
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I would say ECu is toast. but that is me and I dont know ****!

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Old 02-22-2004, 03:34 PM
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no is not the ecu, it has been replaced already.
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Old 02-22-2004, 06:12 PM
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I would check your charging/starting harness. Just look around for loose wires...
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Old 02-23-2004, 10:37 PM
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If it was the ECU, the car wouldnt run. Believe me, I know.

It sounds to me that there is a short somewhere. Do what 1revvin said.
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