2006 Volvo VNL 780 465hp 10 speed autoshift.
Everything was good, after installing new injectors, cups and I rings and tune up , acceleration is so slow. On idle work fine. We checked EPG and replace it, checked exhaust pipe behind turbo and it's wide open. Checked it on other ECU, need fault codes. EGR valves are new and welded. Meanwhile AC blower stopped working and we replaced it. Qualcomm cable disconnected.
After this when start engine acceleration pedal is not responding for 30-45 seconds.
Truck can not run over 20-22 mph. No codes.
Can it be problem with fuel system, lines, separator, filter....
No codes
PLEASE HELP ME
Truck won't run over 20 mph
Discussion in 'Volvo Forum' started by E70x, Jun 17, 2020.
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Truck was so good on old injectors, and problem started after replacing then with new -
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