Weird problem when hit 70 MPH

[Marik123]

Few days ago, I got this weird feeling when the car hit the 70 MPH mark, I feels like the car jerk. It does that when I hit 70 miles mark. I can go faster than 70 MPH no problem, but I just got that weird jerking problem when i hit 70 MPH mark, can someone tell me what's going on? I never have this problem before.

[RyanJayG]

have your tires checked for balance... otherwise that is just plain weird

[Killer 8]

jerk like wheel jerk or rubber band faster jerk?

[Shane5425]

i just put cai and i have the problem where the car jerks at back and forth, like it wants to pull then looses power then pulls, like a hesitation .. its only cruisin a high speed in between 2500 and 3000 rpm

[Marik123]

i just put cai and i have the problem where the car jerks at back and forth, like it wants to pull then looses power then pulls, like a hesitation .. its only cruisin a high speed in between 2500 and 3000 rpm


Mine is similar, but it only jerks for like 1-2 second when it hits 70 MPH. Tires are balanced and I cannot figure out whats wrong with it.

[Shane5425]

yea, i have an auto, and its wiered cause its in a gear already , but it just does that wired hesitation/ whatever. it sounds like someone is just startin in first gear ina manual, you know how it bogs down then goes up, it sounds like that but it keeps repeating itself over and over and over and over, untile i give it more gas... i am clueless on what it could be..

[DiS]

Might be faulty MAF (referring to the hesitation when yuo just start moving in your car) not sure about at 60-70 mph mark hesitation. That definetly sounds weird to me. Cylinder misfire perhaps? I dunno Im spitting out random thoughts.

[Marik123]

Might be faulty MAF (referring to the hesitation when yuo just start moving in your car) not sure about at 60-70 mph mark hesitation. That definetly sounds weird to me. Cylinder misfire perhaps? I dunno Im spitting out random thoughts.

1 month ago, I went to Mazda and have them check the MAF, they said they found nothing wrong with it...

[Shane5425]

talkin with my dad, we narrowed it down to 2 things, my trq converter us lockin and unlockin or the egr system is messing up and allowing this problem to happen, when we get some free time at the shop, we are hookin up the scan tool to it and gettin all the readings to see what is causing the problem. What kind of tranny do yall have?

[Shane5425]

this weekend my brother in law and i are gonna work on that problem, he works at peridi mazda in New orleans.. master tech.. we should be able to find somthing..