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P1800 ES 1800 1973

posted by planetman on Sun Aug 18 16:02 CST 2019
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last visit: Fri Oct 24 09:29 CST 2014

[RELATED]

It is normal for the rest pressure jump down to about 20 psi and then slowly drop to 0.

This is normally due to the fuel pressure regulator. But it can also indicate a leaking injector and that includes your unseen cold start injector or a bad fuel pump check valve.

Try pinching both fuel pressure hoses at the regulator right AFTER you cycle the fuel pump and then monitor your fuel pressure gauge. If the pressure continues to drop then you have leaking injector or hose.
--
Eric
Hi Performance Automotive Service (formerly OVO or Old Volvos Only)
Torrance, CA 90502
hiperformanceautoservice.com or oldvolvosonly.com

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P1800 ES [1800][1973]
posted by rabs on Sat Aug 17 06:02 CST 2019 >

P1800 ES [1800][1973]
posted by Chris Mullet subscriber on Sat Aug 17 07:00 CST 2019 > V
- P1800 ES
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P1800 ES [1800][1973]
posted by planetman on Sat Aug 17 10:37 CST 2019 > V
- P1800 ES
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    posted by planetman on Sun Aug 18 15:39 CST 2019 > V

P1800 ES [1800][1973]
posted by c1800 subscriber on Sat Aug 17 12:07 CST 2019 > V
- P1800 ES [1800][1973]
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        P1800 ES [1800][1973]
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        P1800 ES [1800][1973]
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        P1800 ES [1800][1973]
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P1800 ES [1800][1973]
posted by Ron Kwas on Tue Aug 20 10:56 CST 2019 > V
- P1800 ES [1800][1973]
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P1800 ES [1800][1973]
posted by 142 guy on Wed Aug 21 10:31 CST 2019 > V
- P1800 ES [1800][1973]
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      posted by 142 guy on Wed Aug 21 17:57 CST 2019 > V
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    posted by Chris Mullet subscriber on Wed Aug 21 14:44 CST 2019 > V
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      posted by Ron Kwas on Thu Aug 22 06:30 CST 2019 > V

P1800 ES [1800][1973]
posted by c1800 subscriber on Thu Aug 22 22:02 CST 2019 > V

Barking up the wrong tree? [1800][1973]
posted by KlausC subscriber on Sat Aug 24 12:29 CST 2019 > V
- Barking up the wrong tree?
  posted by rabs on Sat Aug 24 13:40 CST 2019 > V
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    posted by 142 guy on Sat Aug 24 22:53 CST 2019 > V
    - Barking up the wrong tree?
      posted by Chris Mullet subscriber on Sun Aug 25 07:08 CST 2019 > V
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        posted by rabs on Sun Aug 25 11:51 CST 2019 > V
        
        Barking up the wrong tree?
        posted by Chris Mullet subscriber on Sun Aug 25 13:28 CST 2019 > V
        
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        posted by rabs on Sun Aug 25 20:14 CST 2019 > V
        
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        posted by planetman on Sun Aug 25 21:42 CST 2019 > V
        
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        Barking up the wrong tree?
        posted by Ron Kwas on Mon Aug 26 04:31 CST 2019 > V
        
        Barking up the wrong tree?
        posted by rabs on Mon Aug 26 11:16 CST 2019 > V
        
        Barking up the wrong tree?
        posted by planetman on Mon Aug 26 11:44 CST 2019 > V
        
        Barking up the wrong tree?
        posted by rabs on Mon Aug 26 13:49 CST 2019 > V
        
        Barking up the wrong tree?
        posted by planetman on Mon Aug 26 14:55 CST 2019 > V
        
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        posted by rabs on Mon Aug 26 15:47 CST 2019 > V
        
        1800ES No-Start
        posted by Ron Kwas on Mon Aug 26 15:59 CST 2019 > V
        
        Barking up the wrong tree?
        posted by 142 guy on Mon Aug 26 19:56 CST 2019 > V
        
        1973 ES no start
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        1973 ES no start
        posted by 142 guy on Tue Aug 27 09:12 CST 2019 > V
        
        1973 ES no start
        posted by Chris Mullet subscriber on Tue Aug 27 12:10 CST 2019 > V
        
        1973 ES no start
        posted by 142 guy on Tue Aug 27 16:49 CST 2019 > V
        
        1973 ES no start
        posted by Ron Kwas on Tue Aug 27 18:09 CST 2019 > V

P1800 ES [1800][1973]
posted by c1800 subscriber on Sat Aug 24 19:24 CST 2019 > V
- P1800 ES
  posted by rabs on Sat Aug 24 21:38 CST 2019 > V
  - P1800 ES
    posted by derek uk subscriber on Sun Aug 25 06:05 CST 2019 > V

P1800 ES [1800][1973]
posted by c1800 subscriber on Mon Sep 2 22:10 CST 2019 > V
- P1800 ES [1800][1973]
  posted by Ron Kwas on Wed Sep 4 08:22 CST 2019 > V
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    posted by c1800 subscriber on Thu Sep 5 07:35 CST 2019 > V
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      posted by planetman on Thu Sep 5 10:32 CST 2019 > V
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        posted by rabs on Sun Sep 8 17:36 CST 2019 > V
        
        P1800 ES [1800][1973]
        posted by c1800 subscriber on Mon Sep 9 07:52 CST 2019 > V
        
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        posted by rabs on Mon Sep 9 09:18 CST 2019 > V
        
        P1800 ES [1800][1973]
        posted by c1800 subscriber on Mon Sep 9 21:19 CST 2019 > V
        
        P1800 ES [1800][1973]
        posted by Chris Mullet subscriber on Wed Sep 11 00:06 CST 2019 > V
        
        P1800 ES No Start [1800][1973]
        posted by Ron Kwas on Mon Sep 9 10:14 CST 2019 > V
        
        P1800 ES [1800][1973]
        posted by 142 guy on Tue Sep 10 15:26 CST 2019 > V
        
        P1800 ES [1800][1973]
        posted by rabs on Thu Sep 19 17:23 CST 2019 > V
        
        P1800 ES [1800][1973]
        posted by 142 guy on Thu Sep 19 21:59 CST 2019 > V
        
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        posted by rabs on Fri Sep 20 05:28 CST 2019 > V
        
        P1800 ES [1800][1973]
        posted by 142 guy on Fri Sep 20 10:36 CST 2019 > V
        
        P1800 ES [1800][1973]
        posted by someone claiming to be Patrick of M on Mon Oct 7 11:21 CST 2019 > V
        
        P1800 ES [1800][1973]
        posted by rabs on Sun Mar 21 16:47 CST 2021 > V
        
        P1800 ES - ommission [1800][1973]
        posted by rabs on Sun Mar 21 17:29 CST 2021 > V

P1800 ES [1800][1973]
posted by c1800 subscriber on Sat Sep 21 07:28 CST 2019 > V
- P1800 ES - finally end of a saga! [1800][1973]
  posted by rabs on Sun Sep 22 19:18 CST 2019 > V
  - P1800 ES - finally end of a saga! [1800][1973]
    posted by Ron Kwas on Mon Sep 23 04:36 CST 2019 > V
  - P1800 ES - finally end of a saga! [1800][1973]
    posted by 142 guy on Mon Sep 23 10:19 CST 2019 > V
    - P1800 ES - finally end of a saga! [1800][1973]
      posted by rabs on Wed Sep 25 09:09 CST 2019 > V

P1800 ES [1800][1973]
posted by c1800 subscriber on Mon Oct 7 20:12 CST 2019 > V

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P1800 ES 1800 1973