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Car Stalling! Suspect MAF?

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  #11  
Old 12-02-2014, 04:14 AM
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but normally those things will be logged as faults, a slow rise in fuel pressure doesn't register as a fault but will cause poor starting.

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Richard
 
  #12  
Old 12-02-2014, 04:50 AM
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Originally Posted by royal100805
Unfortuneately I haven't got access to a scope. Not used one since my electronics days back in college. I may have a working sensor I can temporarily use for fault finding purposes. Could the fuel rail pressure sensor effect fuel economy? im starting to think it could be cam and/or crank sensor. If these are faulty they can cause poor starting, random stalling and reduce fuel economy but then so can a few other parts!
Took the words out of my mouth! Was gonna say sbout the camand crank sensor. Theh shouldbe replaced in pairs.
 
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Old 12-02-2014, 05:03 AM
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Old 12-02-2014, 05:05 AM
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Old 12-02-2014, 05:59 AM
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Thanks Richard. Just as a follow up, I was out at the shops for over an hour, when I got back to the car it wouldn't start on first crank but fired on second crank. Either there is a slight leak somewhere or the pressure sensor isn't doing its job properly. This afternoon I am going to swap the sensor with another and see if this helps and if the fault is replicated on the other vehicle. So much quicker with diagnosis if a had a scope.

Cheers TimmyTim I am a keen ebayer and those links are brilliant if I have to go down that route. I am happy replacing the cam sensor that is easy. How difficult is it to replace the crank sensor? As in location wise?
 

Last edited by royal100805; 12-02-2014 at 06:00 AM. Reason: Missed information
  #16  
Old 12-02-2014, 06:07 AM
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Did another key dance to find P1130 is back and now P1685. Something to do with the key?
 
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Old 12-02-2014, 07:30 AM
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No worries mate. As you say... Cam on is desd easy! Not sure on the crank one ax never had to do it! But when you're underneath the motor, it should be easy to find. When I get a moment, I'll take a look at mine! But tge Mrs doesn't come back home from work untill later.
 
  #18  
Old 12-02-2014, 10:43 AM
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Just went for a drive with the diagnostics plugged in to get alive data feed. Everything seemed normal at idle then drove off on my way. Tried out a few different conditions, then accelerated hard up the last hill before my house slow down to negotiate the roundabout and the engine cut out!! Didnt splutter as if it were fuel starvation just cut straight out. First time for me. Went to check the diagnostics and the plug had dislodged and disconnected the feed!!!
 
  #19  
Old 12-02-2014, 12:22 PM
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Found a sensor underneath the inlet manifold approx halfway on the engine block. Not sure what it is but it isnt connected to anything. The plug that connects to it is not to be seen.
 
  #20  
Old 12-02-2014, 07:22 PM
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Well that's gotta be your problem then. Try take a pic of it for us to see! Someone might know what it is...
 


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