I just bought a 97 tahoe 178000 miles it was not running the owner told me it had an injector problem so pulled the intake off and ended up replaceing the fuel pressure regulator put it back togeather and had 45 psi still wont start replaced fuel pump and it started up 1st try . but when it idles it has a slite miss code came up p1345 replaced crank shaft sensor still have miss and now has a wining noise in front of engine. when i try to start it, it dosent turn over properly it seems to turn then stops then ack like the battery is dead or starter is draging but other guy just put in new battary and starter after about 5 or 6 trys it will start help me please
Change ur distributor cap
This starting issue sounds like either the ignition timing is way off, or the cam timing is, the whinning sounds like the timing chain may have been replaced with a non silent type chain (plastic cam gear teeth), maybe the onwer got this wrong when he installed it and the cam timing is off.
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what info do yoy need other owner said it ran good all the time then it shut off while driving
Engine size?
1345 shows a mis read between crankshaft and camshaft position sensor. Since you have replaced crankshaft sensor it is possible that you problem is with that cam sensor.. but could also be that the cam lobes have worn and that they may never be in spec. with the tolerances that the computer thinks it should be. need a little more info to help more... engine???
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