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Old 08-03-2011
Gary Thornton's Avatar
Gary Thornton Gary Thornton is offline
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Default Diesel Engine Help Please

My son is in Senegal West Africa with his 2000 Toyota Avensis 2.0 Turbo Diesel.
He has loss of power problems. Diagnostic code is "position sensor"

Problem started suddenly 2 weeks ago with a slow turn over - like battery was dead.
Got it started and took it to a small town mechanic who "cleaned the starter"(?)
After picking it up the engine was pinging and there was a noticeable loss of power with long hard starts but with plenty of battery power. BTW the starter is right beside the injection pump. A second mechanic worked on the injection pump. Nothing changed. Cannot get to normal top speed. Starts well sometimes but it is usually the first start of the day.

Fuel filter new. Air filter to be changed - looks ok. Fuel door remains locked. He did not refuel immediately prior to problems.

He is in a remote area and not near a real mechanic.

Specs:
Cylinders:L4
Displacement:1975 cm3
Power [KW(hp)/RPM]:66(90)/4000
Torque:149.7/2200 lb-ft/RPM (203/2200 Nm/RPM)
Fuel System:Indirect Injection
Fuel:diesel
CO² Emissions:172 g/km
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Pull a Cameo 5er (8800 lbs empty)

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Old 08-03-2011
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Gary Thornton Gary Thornton is offline
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I am guessing that "position sensor" means a faulty crankshaft sensor.
Can wrong timing be calibrated on the IP so a crankshat sensor code comes up?
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2 '05 2500 4x4,QC's 48RE,3.73,Limited Slip,Plow Prep,Linex,ROKK,Afe 2 & Amsoil fluids (Boss 9'2" V-blades )

#1 SMARTY cr(SW5),TOYO/AT2's 285-70/17E's,Quad Commander,TransGo shift kit,Prodigy,Fold-a-cover,60 gal RDS aux tank,Corsa exhaust,FASS95/95 3 micron,Mag-Hytec DD tran pan,Bilsteins.
Pull a Cameo 5er (8800 lbs empty)

#2 SUPERCHIPS flashpaq & TOYO/AT2's 285-70/17E's, MBRP
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Wisdom: Truth applied
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Old 08-03-2011
bamacat bamacat is offline
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Could "position sensor" be throttle position sensor?
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Old 08-03-2011
whiskers whiskers is offline
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With hard starts and pinging it sounds like the crank position sensor.
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Old 08-03-2011
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Diesel don't ping but rather what we have is Pre Combustion Knock. Ping would be too much advance in a gasser.

Knowing what I know about those parts I bet even if you have a locking cap fuel is probably not the best and I would look at a possible bad or plugged exhaust.
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