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EF XR6 Cranks but won't fire up 

 

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 Post subject: EF XR6 Cranks but won't fire up
Posted: Sun Jan 29, 2012 3:49 pm 
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Drove down to the bottle store, was running fine prior. Bought some booze & then it would turn over but not fire up. Got a mate to come tow it back & while on the rope, stuck it in 3rd & it fired up & ran mint.

Got back home, switched it off & again it cranks but won't fire up

Fuel pump? Smartlock perhaps?
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 Post subject: Re: EF XR6 Cranks but won't fire up
Posted: Wed Feb 01, 2012 2:28 pm 
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Have checked all solders with a heat gun this afternoon, seems to have solved my central locking problem but upon further inspection (fuel pump relay is ok, have checked that) I appear to have no spark. I must have spark when driving though as the car tow starts :?
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 Post subject: Re: EF XR6 Cranks but won't fire up
Posted: Wed Feb 01, 2012 2:33 pm 
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Pump is priming fine?
Getting spark when cranking?
What nick is the coil in?
Dont think it could be smartlock, i thought smartlock was a spark cutter (ie wont run regardless)
Have you checked the relay next to the fuel pump relay? Ecu relay?
Could even be some dodgy leads.

 

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 Post subject: Re: EF XR6 Cranks but won't fire up
Posted: Wed Feb 01, 2012 2:38 pm 
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the sam wrote:
Pump is priming fine?
Getting spark when cranking?
What nick is the coil in?
Dont think it could be smartlock, i thought smartlock was a spark cutter (ie wont run regardless)
Have you checked the relay next to the fuel pump relay? Ecu relay?
Could even be some dodgy leads.


No spark when cranking. Not sure about fuel pump but I can tell you that I can't hear anything like a fuel pump when I turn the key on. Will check ECU relay & fuses while I'm there. Thanks :)
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 Post subject: Re: EF XR6 Cranks but won't fire up
Posted: Wed Feb 01, 2012 4:38 pm 
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ECU relay is working fine, still not 100% about fuel pump still but definitely no spark. Pulled out CAS on front of motor & cleaned it, no change

Did I mention it tow starts....
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 Post subject: Re: EF XR6 Cranks but won't fire up
Posted: Wed Feb 01, 2012 4:45 pm 
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Fuel pump fail would mean that it wouldn't have fired up from tow...

No spark could be Crank Angle (which you've tried) or the coil pack issues. Since mounting mine up on top of passenger wheel arch I've had a couple of firing issues, but only on a few cylinders and only becuase the actual loom plug from computer is dodgy.

By no spark you mean that you pull a lead out and hold against side of block and there's no spark...?

When "tow" starting (crash starting) it runs fine on all six? Replace CAS... Replace CAM ANGLE SENSOR?

Crikey d**k, if starter is turning engine and fuel is running and the thing runs after crash starting.... Well.......
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 Post subject: Re: EF XR6 Cranks but won't fire up
Posted: Wed Feb 01, 2012 5:04 pm 
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how well does it crank over??
if it tow starts its got fuel and spark..

bad voltage or slow cranking from poor battery connection or s**t battery could cause low or no spark at cranking.

have you checked voltage at the coil pack while cranking?
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 Post subject: Re: EF XR6 Cranks but won't fire up
Posted: Wed Feb 01, 2012 5:25 pm 
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Flatmate got home with his test light so hooked that up on number 1; its got spark so going with toast battery. Will throw a new one in it tomorrow & try again. Hoping its a low voltage issue
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 Post subject: Re: EF XR6 Cranks but won't fire up
Posted: Thu Feb 02, 2012 3:23 am 
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it does sound like a smartlock issue, before changing the battery, pull the codes from the ecu and see if its showing a code for immobilization
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 Post subject: Re: EF XR6 Cranks but won't fire up
Posted: Thu Feb 02, 2012 10:47 am 
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Whats the smartlock light doing when you try and start it?

 

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 Post subject: Re: EF XR6 Cranks but won't fire up
Posted: Sun Feb 05, 2012 2:58 pm 
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So......XR6 fuel pumps are the same as everything else E-series? :?
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 Post subject: Re: EF XR6 Cranks but won't fire up
Posted: Sun Feb 05, 2012 3:04 pm 
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buriedalive wrote:
So......XR6 fuel pumps are the same as everything else E-series? :?


yes normal fuel pump is the same as xr6...
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 Post subject: Re: EF XR6 Cranks but won't fire up
Posted: Sun Feb 05, 2012 3:15 pm 
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TROYMAN wrote:
buriedalive wrote:
So......XR6 fuel pumps are the same as everything else E-series? :?


yes normal fuel pump is the same as xr6...


Sweet. Has power at the fuel pump with key on engine off & when cranking but no pressure on the return line whatsoever. Has to be it
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 Post subject: Re: EF XR6 Cranks but won't fire up
Posted: Sun Feb 05, 2012 4:38 pm 
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The return line is not pressurised. It is a bleed to maintain rail pressure.

 

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 Post subject: Re: EF XR6 Cranks but won't fire up
Posted: Sun Feb 05, 2012 5:28 pm 
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Get some one to Squirt some fuel into the throttle body while you are trying to start it. If it fires then you have a fuel issue, my bet being the ECU not giving signal to the injectors, If it doesn't fire you have an ignition issue,
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