hermultra

throttle sticking

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hi guy's ... I'am having a problem with my throttle sticking. its happens @ about 3/4 throttle, I have to pop the gas peddle to get it released. has any one had this experance with their throttle linkage..... is this commom & whats the fix?? I've sprayed the linkage under the hood with wd40 but I can still feel a catch in it when I do it by hand. I havent explored under the dash on the inside of the firewall yet!!! need help thanks hermultra

NismoPick

Start exploring. Just follow the linkage all the way from the pedal to the throttle body...

KasbeKZ

also look for tight spots in the cable. bends i mean. it should be as tight as possible, because the tight bends are almost always where a kink happens

NismoPick

The 280zx's don't have a throttle cable... they have a throttle linkage (bars).

lww

Nismo is correct. Most likely, something has gotten into the "ball connector" at the TB or the firewall or a bushing has broken down somewhere along the line. Check the pedal assembly "pivot" under the dash as well.

And don't use WD40, it's water based. Use Liquid Wrench or some other oil based lubricant.

KasbeKZ

oops! haha sorry about that. i would have known that if i thought for a minute

snwbrderphat540

yup i use a grease though, stays better than liquid crap, pop all the ball joints clean them, then grease them. also any rotating parts like where its hel to the fire wall, where its held to the intake manifold, grease it all. also there is a spring that im sure can get worn out on the throttle body itself i believe.

hermultra

thanks I'll try all those things............

edit the linkage fells a little griddy but I did find my gas peddle has been hitting my floor mat. might have to get thinner ones or cut some off the peddle..........