Question about 2000 Isuzu Rodeo
On intermittent occassions (entirely random) I experience problems with starting my 2004 Isuzu Rodeo. Usually when the problem occurs, it is when I am attempting to start the car - the second or two after turning the key the starter will stop. Immediately attempting to turn the key resluts in silence - just the dash lights coming on. I can take the key out of the ignition and wait 20-30 seconds and it will start. Alternatively, I can take the key out of the ignition, press the remote lock button and lock the car, then press the unlock button to unlock the car and then put the key in the ignition and start the car (most times - sometimes I have to repeat this procedure). The battery checks out good and when taken to the dealer they find "no faults". What can this "phantom" problem be caused by?
the lights come on and the power steering goes because the engine has stalled while you are driving. it is the exact same condition as when you turn the key to the "on" position w/out actually starting the engine (all the same lights will be on and no steering because engine not running).
as for why this happens...sadly there are too many possibilities to usefully list here.
This is the basic equation for why your engine runs:
fuel + spark + compression = a running engine
The fact that your engine usually works means you can discount the compression piece of that equation.
This leaves fuel and spark. If loss of spark is the cause of the stalling, it is almost definitely in the primary side of the ignition system which means: don't go get a 'tune-up'. Tune-ups almost never-ever-ever fix driveability problems. The primary side of the ignition system consists of the crankshaft position sensor, camshaft position sensor and engine computer...to name a few things.
It is also possible you are losing fuel pressure intermittently, which could be due to a failing fuel pump, but this is an unusual presentation. Typically they are found to be bad when you try to start it up initially rather than **** out in the middle of running.
Then again, this whole thing could very possibly just be due to a loose wire connection in a really unfortunate place. Impossible to tell from here, so you'll probably have to settle with taking it in somewhere. I will say this: don't waste time/money taking it to a shop until it absolutely will not start up again. Shops can't diagnose a problem unless it actually has the problem while they are looking at it. good luck
Posted on Sep 29, 2009
Hello first thing i would start with is check your idle screw it may be set to low if the choke linkage is sticking .first take your breather off so you can see the choke linkage look to see where the plate is positioned is it fully closed have somone try starting with out touching the gas pedal if it doesnt start slightly open the choke plate if it starts you need a choke adjustment check to see if its manuel linkage, vacuum operated,or electrical. if vacuum check lines for dry cracks or splits preventing choke operation if electrical you need to test the power wire at the choke also test for good ground if mechanical check adjustment screw for curb idle to see if its set to low.goodluck please rate
Posted on Oct 01, 2008
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