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Porsche Cayenne Starter

Troubleshooting a Porsche Cayenne Starter

If your Porsche Cayenne's starter fails to crank the engine or turns too slowly, your car's engine won't start, leaving you to either walk or bum rides until the problem is fixed. Most of the time, the starter motor is blamed for a no-start condition. Sometimes, however, such an occurrence is hardly the starter motor's fault. Symptoms of a bad starter can mimic other failing components, so it's important to distinguish the difference from other malfunctioning components. Here are some of the issues you need to address to diagnose what problems ail your starter.

Is it really the starter?

If nothing happens when the ignition switch is turned to the start position, it may mean the starter motor has failed, or there may be an opening in the ignition switch, starter circuit wiring, or neutral safety switch. Because slow or labored cranking is a symptom of a bad starter, it's important to make sure that other components are working well to say for sure that something is wrong with the starter.

Check your battery and make sure it has enough voltage to operate the starter; a discharged battery or a badly sulfated one may not be capable of producing enough voltage or amps to start the engine. Also, dim lights mean that the problem has something to do with the battery and not the starter.

The next step would be checking the starter motor itself. If the starter works upon using a jumper to bypass the solenoid (which acts as a relay to route power to the starter from the battery), the problem lies with the solenoid. Replacement is necessary if it is defective or stuck open or closed.

If an engine cranks at normal speed, which is typically at 200 to 250 revolutions per minute, but it refuses to start, the problem doesn't lie with the starter but somewhere else in the vehicle.

How to tell if the starter is a good or bad one

A good starter will normally draw 130 to 150 amps when cranking a four-cylinder engine, 175 when cranking a V6, and as much as 200 to 225 amps when cranking a large V8. It will normally draw 60 to 150 amps with no load, and up to 250 amps under load while cranking the engine. If the amp draw is too high, the starter needs to be replaced; the same is true if the starter doesn't achieve the specified rpm.

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  • Maintenance Tips for Your Porsche Cayenne Starter

    Does your starter make a 'click' sound whenever you try to start your vehicle? If during the course of a few days, you noticed that your car has taken a bit longer to crank than normal, the starter sounds weak, and the starter also seems to click for a second or two after the motor turns over, you might be in trouble. A slow cranking engine may be a sign of a bad starter, and with age, that's very likely; however, this could also be caused by low battery voltage, poor electrical connections at the battery, or a failed relay or fusible link. Starting problems can be very frustrating because there are so many things under the hood that can keep a car from starting; plus, car battery starter problems will delay you from getting where you need to. Heed these tips below and see if you don't get a longer lifespan-at least five to ten years-for your Porsche Cayenne's starter. It's not really hard to facilitate the process.

    • To ease the load on the starter, start your car with the major components-like the AC compressor, blower motor, and high-powered stereos-turned off.
    • When replacing the starter drive, opt to replace the whole starter assembly even if the starter drive can be replaced separately from the starter assembly. Failure of any part is due to age, usage, and heat stress, to which the entire starter had also been subjected; it is imperative that the parts indirectly affected be fixed too.
    • Check the health of your battery.
    • A simple way to tell if the battery is at fault is to turn the headlights on and turn the ignition switch to start. If the lights go out, the battery is probably at fault. You'll then have to identify problems with the fuses; look for possible corrosion in the battery; test the battery; examine the ignition switch; and examine the starter connection. Also, make it a habit to submit your car starter to yearly check-ups.
    • Don't drive through a deep puddle or wash the engine compartment.
    • Basically, don't let the starter get wet.