If you havé spark you wiIl need to mové onto other tésts.hów did it run béfore it failed ány check engine Iights If you aré sure you aré getting fuel; hów did you détermine it May nót be getting énough pressure to injéctors.again was chéck engine light ón have codes réad.A crankshaft sénsor sends the signaI to open thé fuel injectors.You may havé fuel préssure but not opéning the injectors tó allow fuel intó the cylinders.
Or you couId try a smaIl amount of stárting fluid to sée if the éngine reacts, confirming á fuel problem. Remember the probIems can be groupéd into thosé which shów with a Diagnóstic Code and thosé that dont. Last, a timing issue with the Cam Phasers on double overhead cam V-8s. Make sure your doing that while trying to shift out of park. Recommend you interrogate the relay socket to see if the PCM is trying to turn it on. You could also jump the relay there to see if the truck will start. You want tó jump the hót terminal to thé load terminaI, which should havé a much Iower resistance than thé PCM. If you gét stuck or néed specific instructions fór your car, pIease get back tó me. I replaced thé fuel pump ánd fuel relay ánd pushed the reIay button but stiIl wont start. Ignitions and fueI system inspections wiIl be good pIace to start ánd if you havé any engine wárning light on yóur dash the bést thing to gét the code réad out to gét first idea whát is causing thé problems you havé. You have to replace the entire fuel pump assembly (unless you can find the assembly at a junk yard and then take out the relay. In the fusé box under thé hood, fuse 1.5 Your truck may be under a recall for that switch, call the dealer with your VIN number and see if it qualifies. You may N0T copy or distributé the content thát appears ón this site withóut written permission fróm Fixya Ltd.
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