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Nissan Forum: someone that knows about a 81 Nissan 280zx...please help?
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Old 01-17-2011, 05:19 AM
bigj_bigj86 bigj_bigj86 is offline
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Join Date: Jan 2011
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Default someone that knows about a 81 Nissan 280zx...please help?

i bought the car yesterday and there is a prob. with the fuel system. it runs fine for a few minutes then starts sputtering. if i try to lay into the accelerator it also sputters and backfires. i have changed the fuel filter and used injector cleaner. it is getting better. the car was siting for 9 months so it has bad gas in it. i have been letting it run in the drive way trying to burn the old gas out. i have added about 5 gallons of fresh gas. it idles great but for some reason about every 30 min. it starts sputtering and dies so i go out and try to start it and it will not start. i then took the gas cap off and heard the sshhhhuuupp noise of relieving pressure and put it back on and then it starts right up.......1. why does it bog when i try to accelerate?.......2. why will it not start back up until i open the gas cap? i really need to get this fixed because its my only car and im running out of money....please help!
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Old 03-28-2012, 04:19 PM
YEPEE YEPEE is offline
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Join Date: Nov 2011
Location: Phoenix
Posts: 745

after market non-vented gas cap by chance?

I know, its a old post
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