Volvo RWD 700 Forum

INDEX FOR 1/2026(CURRENT) INDEX FOR 10/2012 700 INDEX

[<<]  [>>]


 VIEW    REPLY TO THIS MESSAGE    PRINT   SAVE 

finding the FPR vaccuum hose 700

posted by  Andy Berry on  Sat Mar 21 14:47 CST 2015
Author: [PROFILE] [EVERY POST] [THREADS] [BEST POSTS] RSS Feed     [IGNORE ALL POSTS]
last visit: Sat Jul 12 13:10 CST 2014
[RELATED]

i saw this in the FAQ section and would like to try it, but can someone tell me exactly which hose it is and where to find it? thanks

1992 volvo 740 4-cyl nonturbo

"[Diagnosis 5:] The fuel pressure regulator is worth a careful inspection. The fuel pressure must rise instantly in response to the vacuum signal fall that accompanies a throttle opening. A hardened diaphragm might be causing the fuel pressure that has been lessened by the fuel pressure regulator to not increase as rapidly as it must and you won't get the appropriate fuel quantity in spite of lengthened injector duration. Try an acceleration test with the vacuum hose pulled off fuel pressure regulator. Easiest way to check the FPR is to pull the vacuum hose off of it while the engine is idling. If the idle picks up, your FPR is good."






THREADED THREADED EXPANDED FLAT PRINT ALL
MESSAGES IN THIS THREAD

New finding the FPR vaccuum hose [700]
posted by  Andy Berry  on Sat Mar 21 14:47 CST 2015 >


<< < > >>



©Jarrod Stenberg 1997-2022. All material except where indicated.


All participants agree to these terms.

Brickboard.com is not affiliated with nor sponsored by AB Volvo, Volvo Car Corporation, Volvo Cars of North America, Inc. or Ford Motor Company. Brickboard.com is a Volvo owner/enthusiast site, similar to a club, and does not intend to pose as an official Volvo site. The official Volvo site can be found here.