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MPG decrease - Injectors, wiring harness? 700 1986

posted by Blindboy on Wed Nov 27 20:52 CST 2013
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last visit: Tue Oct 21 17:56 CST 2014

[RELATED]

Are the brakes dragging?? Do you use synthetic lube on the slides??Have you fully flushed the brake lines w synthetic brake fluid??
My 89 740 gets 34mpg at 70mph.

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MPG decrease - Injectors, wiring harness? [700][1986]
posted by 740_dan on Wed Nov 27 13:13 CST 2013 >

MPG decrease - Injectors, wiring harness? [700][1986]
posted by aleekat on Wed Nov 27 13:39 CST 2013 > V
- MPG decrease - Injectors, wiring harness? [700][1986]
  posted by 740_dan on Wed Nov 27 14:02 CST 2013 > V
  - MPG decrease - Injectors, wiring harness? [700][1986]
    posted by aleekat on Wed Nov 27 14:27 CST 2013 > V
    - MPG decrease - Injectors, wiring harness? [700][1986]
      posted by 740_dan on Wed Nov 27 19:02 CST 2013 > V
      - Check timing, valve clearance and vacuum nipples.. [700][1986]
        posted by Amarin on Sun Dec 22 04:50 CST 2013 > V
        
        Check timing, valve clearance and vacuum nipples.. [700][1986]
        posted by 740_dan on Mon Dec 23 12:50 CST 2013 > V
        
        Check knock sensor.. [700][1986]
        posted by Amarin on Tue Dec 24 01:34 CST 2013 > V
        
        Check knock sensor.. [700][1986]
        posted by 740_dan on Mon Dec 30 14:12 CST 2013 > V
        
        Check knock sensor.. [700][1986]
        posted by boxvolvo on Tue Dec 31 13:16 CST 2013 > V
        
        Check knock sensor.. [700][1986]
        posted by ktuuri on Tue Dec 31 23:20 CST 2013 > V
    - MPG decrease - Injectors, wiring harness? [700][1986]
      posted by jfs356 on Fri Dec 6 10:13 CST 2013 > V
      - MPG decrease - Injectors, wiring harness? [700][1986]
        posted by 740_dan on Fri Dec 6 14:18 CST 2013 > V
- MPG decrease - Injectors, wiring harness? [700][1986]
  posted by Blindboy subscriber on Wed Nov 27 20:52 CST 2013 > V
  - MPG decrease - Injectors, wiring harness? [700][1986]
    posted by 740_dan on Sun Dec 1 20:20 CST 2013 > V

Possible fix, evap vapor canister hose split - MPG decrease - Injectors, wiring harness? [700][1986]
posted by 740_dan on Sun Dec 1 20:09 CST 2013 > V
- Possible fix, evap vapor canister hose split - MPG decrease - Injectors, wiring harness? [700][1986]
  posted by pageda on Mon Dec 2 04:11 CST 2013 > V
  - Possible fix, evap vapor canister hose split - MPG decrease - Injectors, wiring harness? [700][1986]
    posted by 740_dan on Mon Dec 2 12:31 CST 2013 > V
    - Possible fix, evap vapor canister hose split - MPG decrease - Injectors, wiring harness? [700][1986]
      posted by aleekat on Mon Dec 2 12:37 CST 2013 > V

MPG decrease - Injectors, wiring harness? [700][1986]
posted by Peetz on Mon Dec 2 18:19 CST 2013 > V

MPG decrease - Injectors, wiring harness? [700][1986]
posted by VTV745T on Mon Dec 2 23:19 CST 2013 > V
- MPG decrease - Injectors, wiring harness? [700][1986]
  posted by 740_dan on Tue Dec 3 10:06 CST 2013 > V

MPG decrease - Injectors, wiring harness? [700][1986]
posted by VTV745T on Tue Dec 3 10:27 CST 2013 > V
- MPG decrease - Injectors, wiring harness? [700][1986]
  posted by 740_dan on Wed Dec 4 09:23 CST 2013 > V

MPG decrease - Injectors, wiring harness? [700][1986]
posted by Will740turbo subscriber on Sat Dec 7 02:57 CST 2013 > V

Update - Leaky injector found and replaced - Interchange Part Numbers [700][1986]
posted by 740_dan on Mon Dec 9 13:48 CST 2013 > V
- Keep Us Updated. nmi [700][1986]
  posted by aleekat on Mon Dec 9 22:20 CST 2013 > V
  - MPG remains horrible after injector replacement [700][1986]
    posted by 740_dan on Mon Dec 16 09:27 CST 2013 > V
    - MPG remains horrible after injector replacement [700][1986]
      posted by Peetz on Mon Dec 16 11:07 CST 2013 > V
      - MPG remains horrible after injector replacement [700][1986]
        posted by 740_dan on Mon Dec 16 14:56 CST 2013 > V
        
        Just a Swag [700][1986]
        posted by aleekat on Mon Dec 16 15:53 CST 2013 > V
        
        Just a Swag [700][1986]
        posted by 740_dan on Tue Dec 17 12:36 CST 2013 > V
        
        Just a Swag [700][1986]
        posted by aleekat on Tue Dec 17 12:42 CST 2013 > V
        
        Another Thought [700][1986]
        posted by aleekat on Tue Dec 17 22:07 CST 2013 > V
        
        Another Thought [700][1986]
        posted by 740_dan on Wed Dec 18 18:50 CST 2013 > V
        
        Another Thought [700][1986]
        posted by 740_dan on Tue Dec 31 11:56 CST 2013 > V
- Update - Leaky injector found and replaced - Interchange Part Numbers [700][1986]
  posted by Nahtanha on Wed Dec 18 21:37 CST 2013 > V
  - O2 New this year and recently tested, got NGK direct-fit at Amazon for $30 (!) (end) [700][1986]
    posted by 740_dan on Thu Dec 19 14:38 CST 2013 > V

MPG decrease - Injectors, wiring harness? [700][1986]
posted by Will740turbo subscriber on Wed Dec 18 20:04 CST 2013 > V
- Doubt it's AMM [700][1986]
  posted by 740_dan on Thu Dec 19 09:14 CST 2013 > V
  - Doubt it's AMM [700][1986]
    posted by Will740turbo subscriber on Sun Dec 22 03:19 CST 2013 > V

Got new pump - Plan to install Saturday [700][1986]
posted by 740_dan on Fri Dec 20 14:51 CST 2013 > V
- Got new pump - Plan to install Saturday [700][1986]
  posted by Will740turbo subscriber on Sun Dec 22 03:12 CST 2013 > V
- Update, pump in and leak free! - Got new pump - Plan to install Saturday [700][1986]
  posted by 740_dan on Mon Dec 23 12:40 CST 2013 > V

MPG decrease - Injectors, wiring harness? [700][1986]
posted by riverbend subscriber on Fri Dec 20 15:16 CST 2013 > V
- MPG decrease - Injectors, wiring harness? [700][1986]
  posted by 740_dan on Fri Dec 20 20:17 CST 2013 > V
  - MPG decrease - Injectors, wiring harness? [700][1986]
    posted by riverbend subscriber on Fri Dec 20 20:38 CST 2013 > V

MPG decrease - Injectors, wiring harness? [700][1986]
posted by kittysgreyvolvo subscriber on Tue Dec 31 19:16 CST 2013 > V

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MPG decrease - Injectors, wiring harness? 700 1986