litle help please fuel pressure drop
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litle help please fuel pressure drop
ok i have an 89 camaro with an ls1 m6 swap engine is stock except for exhaust it has a walbro pump and adjustable reg but yesterday when i pulled ito the track my car died i waited a little bit and it fires right up hooked a gauge up to it at the track and just watched the pressure drop to zero car has no codes besides bank 1 and 2 lean car kept acting up all the way home then this morning it drove home fine it happened once last year only thing i did was move my computer from under the hood to under my dash any advice of were to start or maybe a common problem would be appreciated thanks
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First thing....check ground...make sure it is clean, not just appearing to be bolted well. I've had connections corrode over time UNDER THE BOLT.....not kidding. Also check for the obvious signs of wear on wiring, etc. Might also check the ecu pins for corrosion, since you said that it happened last time after moving the ecu.