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I have a Toyota avensis 2012 disel D4D 2012 132000 km, I…

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Hi, I have a...

Hi, I have a Toyota avensis 2012 disel D4D 2012 132000 km,

Mechanic's Assistant: Okay, I'll connect you to the mechanic to discuss this further with you. Before I do, is there anything else you want him to know?

Hi, I have a Toyota avensis 2012 disel D4D 2012 132000 km My problem is that now when it has been colder is it a problem to start the car, i have hade it for service, the closed the cod P1604 first time, secondtime did they change battery, the starter have always worked the the car not has used, but after one huurs driving can it be so that that noting is happen at all when i turn the key on noting is happen at all. waiting 10-20 min and the car are starting. a service is done in june.

Mechanic's Assistant: Okay, I'll connect you to the mechanic to go over that information regarding your Toyota. Before I do, is there anything else you want him to know?

Thank You, ***** ***** have any more information to give.

Submitted: 4 months ago.Category: UK Car
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Answered in 14 hours by:
12/3/2017
UK Auto Mechanic: Matt, Mechanical Engineer replied 4 months ago
Matt
Matt, Mechanical Engineer
Category: UK Car
Satisfied Customers: 22,919
Experience: BEng hons Mech engineering, in auto industry 22 years
Verified

I'd check that you're getting full power to the glow-plugs, they pull a lot of current so take care when checking but see if the relay is clicking when the ignition is turned on first and also check the fuse if this is OK check to see if the engine earth strap is also OK.

If the plugs haven't been changed in the last 20K then they may have to be replaced.
You can test the glow-plugs with a multimeter by measuring the resistance across the plug ( between the power connection and the body) it should be around 4-8ohms if its tending to infinity / open circuit the plug is faulty or by using a clip on current clamp, either on the supply wire to glow plugs or onto engine earth, with glow plug light on you should see 15-20amps for each glow plug fitted, 4 cylinders would be approximately 60-80amps.

Also if its not injecting at all then check the connections to the crankshaft sensor, unplug it and check for corroded contacts and broken wiring, and consider fitting a new sensor - do the same for the cam position sensor
If the EGR valve is stuck open then this too can effect starting so try disconnecting it to see if this helps or changes anything

Could also be an injector leaking fuel back through the overspill pipe, so not getting enough fuel pressure to tell ECU to fire the injectors, this is trickier to find and you’ll need the garage to do a ‘run back’ test to identify which one is the issue
Lastly it’s also worth considering fitting a new fuel filter as if only slightly blocked this can lower fuel supply pressure and choke the main pump, the pump will be more sensitive to this when its cold as diesel thickens considerably with low temperatures.

My goal is to give you the best advice that I can and I hope that I've helped today. Please remember to rate my service by selecting from the 5 stars at the top of the screen before you leave. If you need more help, use the reply box to let me know.
If you're not pleased, also let me know because rating bad does not result in a refund, there are better options. Rating now will not close this post nor prevent further replies
Thanks Matt

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UK Auto Mechanic: Matt, Mechanical Engineer replied 4 months ago

Hi
do you still need help?
Bear in mind that the site takes a deposit from you at the beginning and this is held by the site until you rate my answer at which point the cash is split between the site and the expert. I am only paid for my work on this question if you rate my answer, using the star system at the top of the screen. Please do not forget! If you're not pleased, also let me know because rating bad does not result in a refund, there are better options. Rating now will not close this post nor prevent further replies
Thanks Matt

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