Most of the vacuum lines and plugs are new (less than 300 miles) as well as the air valve o-ring and the idle control valve gasket. I’m at a loss here. I ordered a new air intake from Mazdaspeed just in case, but I couldn’t find any leaks in the existing one so I’m confident this will help.
Screw, Idle Speed Control Valve, 15mm, Mazda MX-5 mk1 1.8 ISC, K80213W8X, USED £1.00 Screw, Idle Speed Control Valve, 40mm, Mazda MX-5 mk1 1.8 ISC, B6BF13W8X, USED
Nov 13, 2016 · On the Super Duty side of things, Garrett’s GTP38R unit is a direct, bolt-in replacement for the unique V-band, dual volute exhaust exit used on Super Duty engines. The GTP38R (shown) features a 66mm compressor wheel, a ball bearing center cartridge for quick spool up, can support 500 to 550 horsepower.
Mazda mx5 mk2.5 1.8vvt engine NB/ NBFL . In excellent working order no smoke or overheating issues . Removed from a low mileage mx5 (67k) this engine runs a1 . Sale is for engine including exhaust manifold only . Inlet manifold and other ancillaries not included . Collection only . All items collected are cash on collection or via bank transfer ...
Set your base idle with this article on miata.net's garage. A low or rough idle on a Air Flow Meter style engine can be cause by any vacuum leaks in the intake. When air enters the engine that hasn't passed through the AFM the engine doesn't know its there and will run lean.
Trouble shooting a bad isle control valve? Help! Anone know of the valve is suppose to close all the way or have a small gap? Pleaselet me know. Thanks! Subs...
Want to calculate your injector duty cycle? Here is a simple calculator that will do that. This calculator will do it for both 2 Stroke and 4 stroke engines. Check with your injector builder on where he thinks the maximum duty cycle is for you specific injectors. Typical injector limits for duty cycle is 80-85%.