Mechanic/Shop Recommendations for Denver
We just bought a 77' 280Z 2+2, love it, runs great... but failed emissions. This is our first old car to tinker with... any suggestions?
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What made it fail emissions? HC? CO? and by how much? |
Reply to Nismo
The HC passed
The CO @ 2500rpm was 6.91, idle @ 1.80 limit was 1.5 Only drove it for about 20 min prior. Average speed 60mph. It had been been sitting for the last six years. Thx |
High CO means the engine is running too rich, or not completely burning the fuel.
Have you done a tune up? Drain the old gas, change the spark plugs, cap & rotor, air filter, change the oil, PCV valve? Hopefully you did those things and just didn't mention it (it's a must since the car has been sitting so long). Also, what is the timing at? |
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