I have 97 zx6. was running perfect all season but all of sudden it has no power. like its bogging almost. top speed went from 170 to 120 overnight

That is a jet size issue, they must have been changed.

Acceleration cut off when reach 30mph - Range Rovers

www.rangerovers.net/...rover.../27680-acceleration-cut-off-when-reach-...

Mar 30, 2010 - 16 posts - ‎6 authors
All of a sudden, RRSport HSE 2006 can not speed above 30mph. ... It's only an hour's drive away if your car could go straight upwards. .... My guess is that some control module got fried or out of whack when the power spike ...

WILL NOT GO OVER 30MPH WITH PEDLE TO METAL ...

repairpal.com > Questions > Dodge > Charger > 2006 Dodge Charger

... and a 18 wheeler comes up behind me going 85mph. or more and my car drops down to 35 to 40. ... It would not let me go pass 30mph and it would bog out. .... His truck was barely over 36k. when this happened. ... sudden I was cruising at 30 more or less and could not accelerate or shift gears I could just switch to Drive.

My Chevy Silverado won't go over 25 miles an ... - CarGurus

www.cargurus.com > Questions > Chevrolet > Silverado 1500

CarGurusSep 19, 2012 - His response wasn't even there until the page refreshed when I hit ...The engine would shut off due to a clogged fuel filter not hit 25 MPH and just stopaccelerating. ... when the gas pedal was to the floor but it wouldn't go over 30 MPH?.... When I punch it at 110 or above, it will cut out and drop to 103kph, ...

Starts,Idols perfect Bogs down, no power upon acceleration ...

Check Engine Light/Loss of Power Due to Throttle Body Unit ...

repairpal.com > Problems > Nissan > Sentra

The electronic throttle actuator (throttle body) can fail causing a loss of power ... start it studders like it is running on 2 cyl. then switches to 3 cyl. then to 4. but ... Throttle body replaced on my 2006 Nissan Sentra 1.8 engine. ... I Was going up a hill and I tried to speed up, all of a sudden my car bogs down and completely dies.

Engine bogs down at start-up?? - Team Integra Forums - Team Integra

www.team-integra.net > ... > Technical / Help > Performance

Jan 19, 2003 - 14 posts - ‎10 authors
A few random times when I have started up my car, it seems like it had trouble staying running! It would start up fine, then bog down to barely ...

hard start, engine bogs down - Car Forums and Automotive Chat ...

www.automotiveforums.com > ... > 1st Gen 95-99

I have a 97 Dodge neon that is acting up. When starting, it takes a while to crank over (Longer than it used to). When I try to take off at first, the car bogs down and ..

Check that your choke is working correctly
Your timing may be way off as well

Hopefully the fuel filter. If you floor it and it has a delay or it won't reach high RPMs it's most likely the cause.

The battery terminals need cleaning.
Remove the battery cables and clean the cable clamps and the battery posts.
Probably won't need a boost to start.

FUIEL FILTER? PUMP?