Volvo RWD 200 Forum

INDEX FOR 1/2026(CURRENT) INDEX FOR 3/2002 200 INDEX

[<<]  [>>]


 VIEW    REPLY TO THIS MESSAGE    PRINT   SAVE 

Still Fighting LH2.4 Surging Idle 200

posted by  DIDENPX on  Mon Jun 24 09:25 CST 2013
Author: [PROFILE] [EVERY POST] [THREADS] [BEST POSTS] RSS Feed     [IGNORE ALL POSTS]
last visit: Mon Sep 29 19:43 CST 2014
[RELATED]

1990 240DL with LH2.4.

Symptom is an idle that surges about 200RPM when engine is warm.

Following have been replaced within past ~12 months: MAF (Bosch reman), IAC, O2, FPR.

The only code that the OBD is showing is 232 (fuel/air too rich/lean at idle).

I've already looked for vacuum leaks at the injector seals, the hose from the MAF to the throttle body, and the intake mani.

Would appreciate any thoughts on where to look next. Since the FPR is recent I'm assuming it is good. Could this be the pressure coming from the main pump? Could a failing pump cause this surging idle symptom?






THREADED THREADED EXPANDED FLAT PRINT ALL
MESSAGES IN THIS THREAD

New Still Fighting LH2.4 Surging Idle [200]
posted by  DIDENPX  on Mon Jun 24 09:25 CST 2013 >


<< < > >>



©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.