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It sounds like you have a couple of serious issues going on. A fuel leak can be dangerous so that must be repaired first. Many times this car can develop a leak at the fuel pump connection and look like...

The very first thing to do is have the battery load tested. If the battery passes a load test be sure it is NOT a marginal pass in which case you should simply install a new battery to reduce diagnostic...

Hello. From what you describe it would appear that there may be more than one issue with the vehicle. The rpm fluctuations can be caused many different things. A few things I would check are the idle air control valve,...

There are a couple possible causes of your engine starting issues: the camshaft sensor, or the fuel pump. I recommend having a mechanic, like one from YourMechanic, check your vehicle out to diagnose the cause of your stalling engine. ...

If the problem did not start happening until you had the axle replaced, then you may have gotten a defective axle. Most replacement axles are new or remanufactured and either one can have a defective joint. I would have the...

Hi There, It sounds like you may have a faulty coolant temperature sensor. The coolant temperature sensor, is a sensor that reads the engine coolant temperature and sends a signal to the engine control module, or ECM, to control other...

The system would have to be checked to see if the alternator you put in shorted and killed the battery; I have seen new alternators kill a battery from being shorted inside them. It could also be that the battery...

The bearings in the alternator will probably become noisy prior to the electrical components going bad. So, if you value quietude, there may be an advantage to installing a new alternator prior to "complete" failure of the part. Apart from...

Hey, thanks for writing in about your 2003 Cadillac CTS. It certainly sounds like your battery is the issue. It is possible for it to take a charge and have voltage but not have the capacity to start your vehicle....

The fuel pump may be the most likely cause of your problem. It could also be a faulty crankshaft sensor. I recommend you have a mechanic, like one from YourMechanic, thoroughly diagnose your stalling issue.

This could be many possibilities such as a fuel leak, or a problem with the air/fuel mixture (i.e. running to rich) which could be a result of many possibilities. I would suggest having a certified expert, like one from YourMechanic,...

Hi there. With the limited vehicle description, all I can mention is that the throttle pedal position sensor needs reprogrammed or replaced or the gas pedal cable is out of adjustment and need adjusted (carburetor cars). The throttle is out...

Normally it is either the gasket that is leaking at the back or the seal is leaking on the front pinion shaft where the drive shaft goes in and spins around. If you really want to find out what it...

There are a couple of different things that could cause this issue. The switch could have been damaged preventing a complete circuit from being made or the motor inside the door that controls the window could have gone bad. The...

Hello. Sorry to hear of the difficulty that you are having with your 2003 Saturn. If there is a silver lining, it is the fact that your Check Engine Light is on (CEL) meaning that Diagnostic Trouble Codes (DTC's) have...

On that one, it's a toss-up. Toyota makes Scions. That was an experiment they had--"let's call these little cars Scions." They shut down Scion and now they are going to call all of them Toyotas. They are both good cars....

It's possible the mud got into electrical components. There could also be mechanical part damage. To pinpoint the exact cause of the difficulty you are having will require an on-site inspection as the list of possibilities is actually pretty long...

You are most likely experiencing an engine misfire. An engine misfire will cause a jerk, or hesitation sensation you are describing. The most common problems that cause misfires in your engine are the spark plugs, wires, or ignition coils. However...

A lock out service needs to be carried out in order to gain access to the good latch. Once the good latch is opened, a charge test should be performed by a qualified technician such as the ones offered here...