1987 Nissan 300ZX "engine speed stumble" Questions

engine will cut out and hesistate or stumble when around 2500 to 3500 to the point of of lose of speed whyll driving does anybody know whats wrong replace air mass. sensor (air filter side) . check ...

engine stumbles, hesitates, at low speeds Engine stumbles, cuts out, hesitates, at low speeds. No check engine light appears. does it seem to sputter or hesitate when you excellerate through a turn? ...

...speed of around 35-40 mph, van seems to be trying to drop down in to passing gear. The engine stumbles and vibrates heavily. Try reading the codes if none found then check the fuel line pressure it ...

...speed that is intermitten and causes a stumble at starts. This problem also occurres during normal running RPM's. Missing electronic signal but intermitten? Could be bad sensor whether crank ...

...engine intermitantly while increasing speed from mergin into traffic..speed around 35 -40 mph , trans is shifting but engine stumbles with difficult recovery, then picks back up..problem accurs once ...

speed control problem with A/C, kind of shows that A/C was what kept the engine running because when you turned the A/C off, the car died.I am going to give you some Websites for wiring diagrams. 

...engine is cold 4.6 V8/5 speed manual, truck idles rough and hesitates when accelerating below 2000rpm. problem is very slight when engine reaches operating temp. Has it ever been tune up, It can be ...

...engine stumble while driving at steady speeds like on the highway. Not sure if it is a timing problem, fuel problem or something else. Pleas help? The timing belt is one tooth off. Pull the covers ...

...speed. NO CHECK ENGINE LIGHT COMES ON! Changed fuel filter....no change in symptoms. Feels like it's running out of gas! Check engine light does not have to come on unless the misfire monitor ...

...speed it is fine. It was stumbling really bad the other day and the check engine light came on. Any ideas what it could be? mass air and tps would be 2 most common causes. Could be a bad spark plug ...