|09-08-2009, 12:19 AM||#1|
Join Date: Dec 2008
Nagging Issue w/ 01 L300 V6
I have looked through the forums on any L-Series w/ the V6 having something similar happening with me, so here it goes...
I have an 01 L300 V6, and it has had some issues with starting as of late. I will stop somewhere, and when I come back, it will not turn over. I hear the starter cranking without the engine turning over. I have been able to let it sit for anywhere between 1-2hrs, and it will start again. There have also been other times where it starts but it takes a few more cranks than normal, with a plume of white smoke following it.
Tonight, I am not sure if the car stalled and died on me or what. I went to step on the gas from a stop sign, and it died. I tried to start the car with the same results as mentioned above. I had it towed to my usual shop but have no clue what is wrong with it.
Any assistance would be greatly appreciated in this matter.
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|09-08-2009, 07:02 AM||#2|
Join Date: Jan 2006
2003 L-Series 3.0L Sedan
Re: Nagging Issue w/ 01 L300 V6
1-How many miles? Beyond 100,000 and its due a major replacement - timing belt, water pump, and spark plugs.
2-To address the immediate issue of "cranking but no starting" you'll have to perform at least one of three checks; fuel system, ignition system and cps.
a)The fuel system check simply consists of turning the ignition key to the ON/RUN position and listening for the faint hum/hiss of the fuel pump running for 2-3 seconds then silence. Locate the fuel rail's test valve, covered by a black plastic cap, remove the cap to expose the schrader valve, cover loosely with a rag and depress the valve stem expecting a healthy spray of fuel. A fuel spray indicates fuel and pressure (the pump works) are available to the injectors. No fuel spray means a fuel issue; fuse, pump relay or wiring. The next test is more difficult and may not be achievable.
b)The ignition system check for spark is difficult to test as there are no spark plug wires or accessible plugs to pull to visually check for spark. An alternate method to test part of the ignition system would be to use a long handled screwdriver as a mechanic's stethoscope to listen for injector "clicking" as the ignition system pulses each injector while cranking the engine over. A "noid" light is used to indicate injector pulsing too. Not doing a spark or injector test may force you to rely on one major component that turns on the entire fuel injection system - the crank position sensor (CPS). Located next to the oil filter, it must operate and detect engine rotation in order to turn on the ECM (engine computer) since the ecm turns on the fuel pump, the ignition system, and pulses the injector. ECM's don't fail as much as cps' do. This isn't a cheap part. Measuring for resistance should show between 700-1500 ohms otherwise an open reading indicates a failure and replacement needed.
|09-08-2009, 11:58 AM||#3|
Join Date: Oct 2001
Location: San Diego, Ca
2001 L-Series 3.0L Wagon
Re: Nagging Issue w/ 01 L300 V6
If the starter is cranking but not engaging the engine (engine not turning over), then the starter bendix is bad and you need to replace the starter.
"Politics is the art of looking for trouble, finding it, misdiagnosing it and then misapplying the wrong remedies."
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