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Old 07-20-2020   #126
ZR2
 
Join Date: Jun 2018
Location: Maryland
Posts: 53
Default Re: Ruff Idle ,Huge Loss of Power

I agree. I have been redoing a house to get it on market for sale, so time wise I need to find the time. Of course when I tested the fuel pressure the other day to see if the FPR was acting up and if I had the proper pressure the schrader valve needle starting leaking........so I ordered a couple of them and some AC Delco plugs based on a few recommendations here. It is odd it happened after the plug change, but **** breaks I guess. I think what I will do is 1st change the fuel filter and see where I am. Then maybe check the plug wires by pulling off one at a time and see what happens. I got a feeling that this lovely motor want me to pull of the plenum and freshen her up with new injectors coils and wires etc.....but before her makeover I will see if the simpler items have any effect. I just gotta remember....Air......Fuel......and Spark. I had a 91 ZR1 that I bought from a dealer in Washington State. Thats what drinkin on a Friday night on E Bay can do for you.....ask me about shipping to the east coast!!!! He wasn't the most honest, it was on E bay about 4-5 years ago. It was a nice car, but it had bad secondary injectors, a few of the Bose speakers were blown and one of the Low Pressure Tire Sensors was always on, so I learned the hard way to take the plenum off and I replaced the injectors with FIC injectors. I did it 3 times in a matter of days......one time big vacuum leak, another time a big coolant leak and the 3rd time was the charm. Definitely ordered multiple gasket sets from Jerry's and the thicker plenum gaskets. It ran really hard once I was done. We'll See and I will report back in. Thanks for everyone's help in advance.
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