Car bucks and stutters above 125MPH WOT. Happens when it is cold out. Am located in Houston TX (sea level)
Type: Posts; User: C7LT4
Car bucks and stutters above 125MPH WOT. Happens when it is cold out. Am located in Houston TX (sea level)
Where are you located? What is the temperature?
They changed the LPFP and crossover pipe. Car runs smoother and much stronger/responsive. Haven't taken it up to high speeds as it was rush hour will report back if its not solved.
86343
Ben,
Thanks for your reply. The vehicle is bone stock with no tune. I took the Vehicle to corvette world Houston and the gentleman who put the car on the dyno just provided me with the file. I had...
update on this thread
https://forum.hptuners.com/showthread.php?75982-C7-Z06-Hesitation-at-WOT&p=556525#post556525
*Update
Put the car on the dyno to datalog while I get the hesitation. lpfp pressure was low 59psi and the high pressure was around 2700psi. Took the car to the service department and provided...
Higgs, is this something that I need to specifically request at the service place? Ive had similar issue and they replaced the HPFP and the fuel pressure sensor. Same issue...
What was the fix? I have the exact same problem and changed the HPFP and the fuel pressure sensor....
I think I may have an issue with my low-pressure fuel pump. My HPFP and fuel pressure sensor has been replaced but still have hesitation at higher RPM WOT.
There was a similar thread but no...