My thoughts. Make sure battery has a full charge?Cables/connections all good? Have helper crank it while you visually check for spark at the plugs. If spark everywhere, use a gage and check proper fuel pressure? Check fuel injector pulse? Any applicable trouble codes? Those are the basic checks, in my opinion. Just to add, if you have the spider fuel system, that system is noted for problems.
SOURCE: how to replace crank sensor on 2002 passat v6 2.8l
Hi. The crankshaft position sensor is located on the intake sector of the engine block, near the flywheel.This will be on the AAA engine build.
On the ABA build, The crankshaft position sensor is mounted on the side of the engine block, near the crank pulley.
SOURCE: how do i bypass security on 98 gmc jimmy 4.3
Hi: Sounds to me like you tried to start the vehicle with something disconnected in the security system. If this is the case the solution is simple. Put key in ignition and turn to the on position, leave on for EXACTLY 30 minutes... then take key out, wait 5 minutes then start vehicle. Hope this helps... please rate suggestion... ty
SOURCE: location of iat high input sensor
The iat (intake air temperature) is located on the air filter housing. If its reading high its probably unplugged
SOURCE: Where is the oil pressure sensor / sending unit on
It is at the very top rear of the engine behind the intake to the right of the distributor on a thin lip of metal of the engine block.
SOURCE: 2002 gmc sierra won't start, security light came on
The security light is a visual indication that something in the car's antitheft system is failing. In most GM cars and trucks there is a hidden system that most people are unaware even exists. From the moment you put your key in the ignition, there begins a constant line of communication between your key's security chip or transponder, to the ignition's lock cylinder, and then to the car's TDM (Theft Deterrent Module). These 3 parts are in CONSTANT communication. If the key is in the ignition, then these parts are sending signals to each other. The security light illuminates when that signal gets broken, even just for a second. When the signal breaks, the car misinterperates this as an attempt at theft and goes into antitheft mode. The car thinks its being stolen or hotwired because it is not getting that signal from YOUR specific key. This is why the security light turns on and shuts down your vehicle. Remember too, the TDM controls the security light. Sometimes you can have ALL the symptoms and no lights.
This link may help you.
http://vatspasslockpasskeysecurityhelp.yolasite.com/
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