Whats up Acurazine,

My car surges slightly when I'm cruising between 37 mph - 40 mph. Enough that I can feel it. Has this happened to anyone? No check engine light on.

Thanks!

 

Are the RPMs jumping around? Or just a slight surge under steady throttle?

See if it does it while cruise is engaged. If it does not, then I would assume the APP sensor would be the first thing I would be looking at.

 

My car used to surge around 45 mph (5th gear 1500 rpm).

Replacing PCV valve fixed my problem.

Checking your PCV takes a few minutes, so you can quickly eliminate that possibility.

https://acurazine.com/forums/third-g...urging-966184/

 

Yeah I can see the RPMs jump about 2-3k. Ill try and see if it does it when the cruise control is on. If it doesnt happen when the cruise is engaged where should i look next?? any ideas.
thanks for the tips.

 

I replaced the PCV valve prior to winter about 3-4k miles ago

 

2-3K RPM jump is rather extreme
My guess would be a trans pressure switch.

 

Sorry i miss typed 2-300 rpm. It seems to not do it when i use cruise control.

 

What he said. You must have skipped over his advice. Look at replacing the APP sensor.

 

I just ordered one from my work!

Thanks everyone !

 

Plus, while you're there, make sure there's a clean throttle body so they can live happily ever after