fuel system repairs


Asked by Feb 11, 2015 at 02:05 PM about the 1985 Nissan 300ZX 2 Dr 2+2

Question type: Maintenance & Repair

coolant hoses replaced . now engine hesitates at about 2000-2300 rpm before
Slowly dropping back to normal idle [about] 700 rpm.
have to shift into neutral when stopping. otherwise, the engine is still running at
2000 rpm while i'm trying to stop.
coolant may be red herring. that's just when the idling problem appeared.
generally runs well, but occasionally is hard to start.
mechanic advises new : idle fuel valve and/or throttle body. expensive parts when
it's not clear what is really needed.
any help would be appreciated !!!

1 Answer


Could bet the throttle body switch but I would check vacuum line first

Your Answer

Add photo

Related Questions

Search Nissan 300ZX Questions

Nissan 300ZX Experts

#1 Tom Demyan
Tom Demyan
Reputation 430
#2 Jamie Staples
Jamie Staples
Reputation 280
#3 dandyoun
Reputation 220
View All

Related Models For Sale

Used Ford Mustang"
718 Great Deals out of 41,256 listings starting at $900
Used Toyota Supra"
54 listings starting at $36,995
Used Chevrolet Camaro"
812 Great Deals out of 38,796 listings starting at $2,650
Used Chevrolet Corvette"
413 Great Deals out of 20,179 listings starting at $3,688
Used BMW M3"
96 Great Deals out of 1,888 listings starting at $5,495
Used BMW 3 Series"
1,632 Great Deals out of 39,404 listings starting at $888
Used Nissan Maxima"
459 Great Deals out of 24,110 listings starting at $800