Question about Cars & Trucks
I have chancy the airflow meter and put in a new one and the airfilter but still it's giving me the same problem
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Posted on Jan 02, 2017
im not sure on that particular vehicle but most trucks have a fuel pump shut off if the vehicle gets hit or is jarred real hard look in your book for the fuel pump reset button it is a inertia switch
Posted on Dec 11, 2008
You said you have fuel flowing from the inlet line of the injection pump? But not at the injector lines?
Posted on May 05, 2009
check to see that your mechanical fuel pump is working on the lower right side of the engine. VERY problematic pump due to design and location. Have you replaced your fuel filter with the injector pump swap? cause you need to do that , its a must
If your getting fuel to your injector pump you have to bleed the lines to each cylinder to bleed out the air in the system.
If that all checks out then you need to set the timing to 8 deg using a timing light and a diesel injection pulse width adapter timing tool.
purchase a haynes manuel for 6.9l/7.3l diesel engines to follow the correct procedure for setting timing to manufactures spec.
You will have to disconnect sensor at certain times during the timing stage so make sure it is done right!
PS - I hope you marked a reference line on the pump to line up with the line on the housing cause that will get you close to start! good luck
Posted on Apr 07, 2010
My dad has the same problem with his A6 2.0tdi. Theres an engine light signal thats come on in the dash. Any ideas on what it could be?
Posted on May 02, 2010
If your car is fitted with Manifold Air Pressure sensor (MAP) check that is operating OK. Sometimes if this is as at fault it can send the wrong signal that the engine is running lean and the engine computer (ECU) in turn compensates by injecting extra fuel. The clouds of smoke are unburnt fuel so not only does it look bad but it is wasteful/costly. The fault on a MAP can evolve slowly and therefore evades the computer diagnostics check for some while before being picked up. Also on the list of things to look at are:- 1) the mass air sensor on the air filter ducting 2) the EGR exhaust gas recirculation valve (perhaps needs a thorough clean) 3) the differential pressure feedback exhaust (DFPE) sensor - lies upstream of the EGR but if faulty can combine to lead to errors in fuel injection quantities.
Posted on May 25, 2010
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