Question about 2001 Pontiac Grand Am SE

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What would cause my 2000 taurus not start after i put a new timing chain on

Been getting alot about my thift system / crank fuse/ injecters not opening up

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  • 36 Answers

Im not too sure but the first thing you need to do if you can is get a code reader and put it on the car and see what codes come up if any. And what do you mean thift system, what is that? do you mean theft system? that has nothing to do with your car starting. crank fuse? huh? LOL How was your car acting before you put the new timing chain on? what was the reason for putting a new one on? i need a little bit more information before i can advise you what to do. I work on cars. and you been getting a lot of what?

Posted on Apr 24, 2015

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Posted on Jan 02, 2017

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SOURCE: 2002 pontiac montana van ''service engine soon'' light

Diagnostic Aids

  • Low system airflow can cause an intermittent complaint. Inspect for the following conditions:
    • Any restriction in the exhaust system that may produce back pressure
    • Pinched, kinked, restricted, or leaking pipes, hoses, or fittings
    • A restricted pump inlet hose, duct, or filter
    • Pinched, kinked, restricted, or leaking vacuum lines
    • Heat damage
  • A short to voltage in the pump relay control circuit can result in the AIR pump running continuously with the ignition OFF by back-feeding to ground. This will eventually result in pump failure.
  • An AIR pump that had become inoperative and had shown indications of having exhaust gases in the outlet port would indicate check valve failure.
  • Notice Do not operate the AIR pump for more than 60 seconds. Continuous operation of the AIR pump in excess of 60 seconds will damage the AIR pump.

    If the DTC cannot be duplicated and is determined to be intermittent, reviewing the Failure Records data can be useful in determining when the DTC was last set. Also refer to Intermittent Conditions

Posted on Oct 11, 2009

tayjoejoe
  • 2185 Answers

SOURCE: need to no how to reset thift system on my 1996

There is a great write up about GM anti theft systems on this link. Ways to fix it yourself too.

http://vatspasslockpasskeysecurityhelp.yolasite.com/

Posted on Jul 29, 2011

  • 7353 Answers

SOURCE: when timing a 2000 2.4

you replaced the lifters? why? the engine is out of time, the cam position determines if its on compression stroke or not. you may have bent valves, if not you are lucky. the cams have pins to hold them in time and then the chain is installed with crank on #1 tdc (keyway up). if all is lined up correctly and it doesnt have compression, you have bent the valves. Water pump replacement is not a job for a DIY.

Posted on Aug 04, 2011

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Why doesnt my 2000 chevy impala have injection pulse


your anti theft device is activated,you need to lock and unlock your doors a couple times with the key fob,not the key,and then you need to put the key in the ignition and start it,if you dont have your key fob,call your car dealer to get a new one,they are programmed for each car only,you cannot bypass it.

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Fuel going to carb, fuel pump working, no prob with fuel filter, enginge cranks over, but backfireing, enginge doesnt start. Have put starter fluid in carb, makes worse. i beliveve i have fire on points,...


I believe this is a fuel injected engine, not a carburetor engine.

Having said that, given what you've already checked and believe to be OK, I'd take a look at timing if I were you.

Could be a timing chain has either loosened or broken, allowing camshaft to get out of time relative to crankshaft. This could cause the backfire you describe.

However, before you go that far....after putting in the new plugs are you positive you got the spark plug wires correctly located ? Crossed wires could also cause a backfire.

Good luck!

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Check your starter and check your connections to make sure they are clean and tight. The low fuel pressure won't cause a no crank. Too low could cause a no start but not a no crank. I've had starters be bad right out of the box. But if that starter motor isn't turning either the starter motor is bad or the solenoid attached or the wiring to it is at fault.

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1997 Chevy Cavalier is backfiring and sputtering sometimes on take off or acceleration. Any ideas what the problem is? New fuel regulator, all new injectors, done alot to this car.


Here is a list of some things that can cause it,
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Faulty secondary ignition system
Fuel injection system in need of adjustment
Vaccum leak at fuel injectors, around intake manifold, or vaccum hoses
Clogged fuel filter
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To test for a vaccum leak, get a can of starting fluid, with the engine running, spray around the intake manifold, the vaccum hoses, connections and fittings, where ever you spray and the engine rev's up a little, you found a leak.

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Misfire code, rough idle, full tune up complete, crank sensor replaced, intake replaced, injector test good, exhaust clear no codes other than misfire, trim lean once


The black soot on the plugs means that you are running extremely rich. The fuel injectors ma test good electricly, but they are notorious for leaks. The spider-looking thing sandwiched between the plastic intake plenum and the intake manifold gets cracks in it's "legs" and leaks fuel ito the plenum area. The fuel pressure regulator is also housed in this same assembly. if the diaphram in the regulator gets a pinhole in it, it also leaks fuel into the plenum area, causing all kinds of erratic idleing, black smoke from the exhaust, and will cause your fuel trims to drop into the negative 20s.

There is a technical service bulletin covering this subject. This procedure outlines the steps required to replace the existing Central SFI Fuel System with a new MFI (Multiport Flexible Injection) Fuel System.

It is removing the injectors which are all housed in the center body of the injector assembly and replacing them with a new version where the injectors are located where the ols "poppets" used to be in the intake manifold ports. The picture below is for a V-8 engine that is covered by the same TSB.052d4ba.gif
The poppets and the pressure regulator are available individually to fix your existing fuel injection system, but I gave up on that after replacing several poppets only to have them come back in a few months with another popet line broken. I recommend replacing the whole assembly with the new and improved version. My customers have told me after doing this that the engine never ran that smooth when it was new.

The GM part number for the new injector assembly for your V-6 engine is 12568332 it is also now available at several aftermarket parts outlets.

As for the timing chain solution posted by doodieman200, all I have to say is that I have enough fingers on one hand to count all of the failed timing chains I have replaced on these engines. If you don't have a cam/crank sync code, the timing chain has definitely not slipped a tooth.

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Fuel filter, throttle position sensor. Check these items

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2002 ford taurus won't start at first crank in the morning


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Crank engine immediately, preferrably have some one else sitting in the car to start it after you spray.

If the car even tries to start, replace cold start relay.

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Doesn't start


1. Test Fuses. Test both under hood power distribution center and the fuse panel under dash. This is done with a test light tool. The test light should illuminate on both sides of the fuse, if not the fuse has failed and needs to be replaced.
2.Testing Fuel Pressure Test for proper fuel pressure with a test gauge on the fuel rail, most throttle body injection cars (TBI) are between 13 psi and 17 psi. and most (DPI) direct port inject systems are between 40 psi and 55 psi. If no or little fuel pressure is observed and there is 12 volt power present the fuel pump, the fuel pump needs replacing.
3.Checking Timing Belt Test for compression by removing a spark plug and insert a compression gauge. Crank the engine over about 5 seconds the gauge should read between 125 psi and 165 psi, if no compression is observed remove front engine cover to inspect timing belt or chain. Crank engine to observe cam rotation, if the cam does not rotate the timing belt or chain has failed. (note: if the timing belt drives the water pump it is best to replace the water pump at this time)
4.Test for Injector Pulse Remove injector connector to insert injector test light (node) or volt meter. Observe light flash or gauge pulse while cranking. If light/voltmeter doesn't respond, an ignition distributor/crank angle sensor (CKS) or an ignition module is most likely your problem.
5.Test for Ignition Spark Remove spark plug wire, insert an extra spark plug into end of wire, rest spark plug next to a ground source then crank engine. You should observe a blue spark between the spark plug gap and ground source. If no spark is observed, an ignition coil, ignition rotor or spark plug wires might have failed. (always keep hands away from engine when cranking)

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