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Z Chassis Technical discussion related to the Z Chassis such as the S30, S310, Z31, Z32, Z33 and Z34.

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Old 01-24-2016, 07:16 PM   #1
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84 Z31 turbo won't stay running

Hello zilvia, I just bought a z31 50 ae with 49k original miles yesterday. Since its been sitting for 16 years in a garage, it didn't start. After new gas, fuel system cleaner, and new spark plugs, I have been able to get it running again. It runs really smooth, but after about 45 seconds or so, it'll die off. I can start the car and the same thing happens. When I was test driving it around the block, I also noticed it has absolutely NO POWER. (40 mph was the top speed, foot to the floor). Engine does backfire a bit on idle occasionally, which may be due to the 1800rpm idle (needs adjustment). I'm thinking it's a combination of a bad fuel pump and bad injectors. Thoughts?
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Old 05-12-2018, 09:17 PM   #2
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I was going to suggest the fuel pump. It never hurts to replace it after sitting for 16 years.
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