q45 bucking/jerking DESPERATE!

Post by **Haitian_King** » Tue Mar 06, 2007 2:43 pm

When going from 40-50 MPH, my Q bucks like no other. Then at 60, it gets smooth and feels like a rocket. What's the cause? I've been reading the site and I haven't yet found the reason or fix. Please help.

Post by **texasoil** » Wed Mar 07, 2007 10:32 am

either the throttle position switch, torque convertor lock-up clutch or sticking EGR valve

Post by **Haitian_King** » Wed Mar 07, 2007 6:54 pm

How would I resolve this?

Q45 User · Post by **Q45 User** » Fri Jan 14, 2011 2:53 pm

Get a code meter or maybe it is your NOx sensor.The sensor controls the fuel/air mixture for the engine. If you have been losing gas mileage since the stalling or jerking began then it IS the NOx sensor. Currently replacing mine so I have an idea

Post by **Red coupe** » Fri Jan 14, 2011 3:05 pm

Q45 User wrote:Get a code meter or maybe it is your NOx sensor.The sensor controls the fuel/air mixture for the engine. If you have been losing gas mileage since the stalling or jerking began then it IS the NOx sensor. Currently replacing mine so I have an idea

Did you really register to answer a 7 year old thread?

Post by **Encryptshun** » Fri Jan 14, 2011 3:57 pm

We need a "Zombie" smiley.

Post by **Ozzie** » Sat Jan 15, 2011 4:34 am

Post by **sx moneypit** » Sat Jan 15, 2011 7:09 am

q45 bucking/jerking DESPERATE!

Re: (Microsoft94Q45T)

Re: (texasoil)

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