
1991 Volvo 740 2.3L Poor Idle Quality, Hesitation, MIL Lamp on
we replaced transmission and now all these problems are occuring. the vehicle has a rough idle and hesitation when accelerationg. the code 321 ( cold start valve ) is in the computer. Fuel pressure is 51 psi at idle and 55 psi when accelerating....... vehicle ...
FIX posted 5/21/2015
![]()
iATN Members:
Login to view full TechHelp request Auto Repair Pros: Join iATN to read this TechHelp request Vehicle Owners: Find a nearby iATN member to repair your vehicle (View Replies)12 Replies Received(Hide Replies)12 Replies Received
|
Message Closed w/FIX
|
VIN | YV1FA8844M |
Engine | 2.3 L / 4 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | Fuel Injection / 51psi at idle.....55psi acc |
Emissions | us fed |
Symptoms | Poor Idle Quality, Hesitation, MIL Lamp On |
Occurs | Always, on Accel, Idle |
Trouble Codes
321 | cold start valve |
Message Closed w/FIX
Vehicle Data
1991 Volvo 740
VIN | YV1FA8844M |
Engine | 2.3 L / 4 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | Fuel Injection / 51psi at idle.....55psi acc |
Emissions | us fed |
Symptoms | Poor Idle Quality, Hesitation, MIL Lamp On |
Occurs | Always, on Accel, Idle |
Trouble Codes
321 | cold start valve |