Volvo RWD 1800 Forum

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P1800 ES 1800 1973

Rob;

OK on attitude...Haynes and general manuals are OK to guide general repair work, but they do have only some and limited FI info, so the factory green manuals in conjunction with linked troubleshooting guide are really what you should work with... For example, the FPReg is functionally described and shown cut-away, so there would be no doubt as to connections...as far as adjustment...set that output and lock it there with jamnut...there is no reason to muck with it further...just assure dumpline back to tank is flowing to assure system circulation..a common failure mode is that FPReg gets bound up after non-use, and does not dump fuel back to tank, so pressure soars...!

If plugs are wet (not soaked!) and fuel pressure is constant, you're clearly getting fuel, and I did see that it starts but immediately (suggesting that Ign Sys is also OK), but then stops running, I have no explanation for this...yet...(but I'm certainly interested in MAP Sensor test results...!)

"Leaking Injectors" do you mean they are leaking fuel (NOT RIGHT!) or their seals to Cyl Head are allowing false air to get sucked in past...big diff, and not right either(!), but not quite clear to me! ...and that CSI should not flow ANY fuel after warm-up...then, it's strictly along for the ride...another common problem is a nonsealing CSI...its hell on the running mixture...and mileage...!

Good Hunting!









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New P1800 ES [1800][1973]
posted by  rabs  on Sat Aug 17 06:02 CST 2019 >
  • New P1800 ES [1800][1973]
    posted by  142 guy  on Wed Aug 21 10:31 CST 2019 >
    • New P1800 ES [1800][1973]
      posted by  Ron Kwas  on Wed Aug 21 12:48 CST 2019 >
      • New P1800 ES [1800][1973]
        posted by  rabs  on Wed Aug 21 14:04 CST 2019 >
        • New P1800 ES [1800][1973]
          posted by  142 guy  on Wed Aug 21 17:57 CST 2019 >
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                posted by  Ron Kwas  on Thu Aug 22 12:02 CST 2019 >
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                  posted by  Chris Mullet subscriber  on Thu Aug 22 13:25 CST 2019 >
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                      posted by  Chris Mullet subscriber  on Fri Aug 23 06:18 CST 2019 >
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                      posted by  Ron Kwas  on Fri Aug 23 06:26 CST 2019 >
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                      posted by  someone claiming to be ROLFE  on Fri Aug 23 07:41 CST 2019 >
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                        posted by  Volvo From Heck subscriber  on Fri Aug 23 07:56 CST 2019 >
                        • New P1800 ES
                          posted by  rabs  on Fri Aug 23 21:34 CST 2019 >
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                            posted by  Ron Kwas  on Sat Aug 24 08:22 CST 2019 >
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                      posted by  142 guy  on Fri Aug 23 10:37 CST 2019 >
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                          posted by  planetman  on Fri Aug 23 16:43 CST 2019 >
                          • New P1800 ES
                            posted by  rabs  on Fri Aug 23 18:27 CST 2019 >
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                              posted by  142 guy  on Fri Aug 23 19:55 CST 2019 >
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                              posted by  planetman  on Fri Aug 23 20:01 CST 2019 >
  • New P1800 ES [1800][1973]
    posted by  c1800 subscriber  on Sat Aug 24 19:24 CST 2019 >
    • New P1800 ES
      posted by  rabs  on Sat Aug 24 21:38 CST 2019 >
      • New P1800 ES
        posted by  derek uk subscriber  on Sun Aug 25 06:05 CST 2019 >


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