my 280zx datsun will not start fuel pump has preasure cleaned out my fuel system its not spark i have spark idk whats wrong

15

Asked by Feb 02, 2016 at 02:59 PM about the 1981 Nissan 280ZX

Question type: Maintenance & Repair

my 280zx datsun will not start fuel pump has preasure cleaned out my fuel
system its not spark i have spark idk whats wrong

12 Answers

71,375

Timing possibly, how many miles on this?

15

350,000 but you would squirt gas in the intake and it would fire for a min

1 of 1 people found this helpful.
15

and the guy i bought it from drove it everyday until the brakes went out and he got a truck and just parked the car it sat up for two years

71,375

Ok then, you have a fuel issue. Would need to check fuel pressure, and do a bleed down test to see if it is the fuel pump, or leaking injectors, spider lines or regulator. Putting fuel in the intake and it firing up is a good indication for a fuel issue.

1 of 1 people found this helpful.
15

ok ill do that

15

could it have anything to do with the injector not firing

71,375

Well ya, there needs to be voltage to the injector. I think it's like 5 to 7 DCV. But if you do a fuel bleed down test and the pressure gauge drops, then there is a leak. I haven't looked up what your fuel pressure should be but I'm thinking like 9 to 14 lbs.

15

hey will my car run with out the mass air flow sincere

71,375

No, will not.

15

ok

Hey I have a 79" 280zx it's getting fire and gas but not starting? ?

71,375

Bobcat90, if you are getting proper fuel delivery, and have spark, then there is a timing issue to look at. I would need to know the size engine to see if there is a timing belt on it, and if it is an interference engine or not.

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