Q: I have a 1999 GMC Sierra 1500 with 94,000 miles. Lately, I have had a problem with a hard start on the second start. There is about a three- or four-second crank before it starts at a low idle. The first time I start, it runs immediately. I have recently changed the plugs and wires along with the fuel filter. I also cleaned the throttle plate and the cold start sensor and replaced the temperature sensor. I still have the same problem. Once it runs, there is no problem. Any suggestions?
A: I have dealt with the complaint of a low idle on the same year and model. Part of the problem is that the computer program asks for this vehicle to run at a low idle, which of course adds to its miles-per-gallon rating. The long crank for the second start may have to do with a few things. Items I would look at would be the idle speed control motor, the electronic temperature sensor and the crank sensor synchronizer. Since you didn't mention the check engine light was on, I can only assume the computer is seeing all the voltages and resistances that are programmed in by the engineers.
Q: I am considering buying a 2004 Jeep Unlimited with 38,000 miles. It looks to be in excellent condition. It has a long wheel base, air conditioning and an extended warranty, and the asking price is $16,900. Can you please advise what I should be concerned about with this vehicle?
A: The price is a bit too high. There are a lot of electrical problems with this vehicle. Also, the rear differential is weak. The vehicle wouldn't be my first choice.
Q: The problem with my 1999 Ford Crown Victoria is that I can't turn the key to start the engine. The mechanic told me to turn the steering wheel left and right while holding the pressure on the key. Why does this happen? Could it happen when driving?
A: The ignition switches do fall apart on the older Crown Vics, but the good news is that a replacement switch is only around $25, and it takes only about 15 minutes to pop a new one in. Secondly, when you park your car, don't turn the steering wheel fully to the left or right — it puts way too much pressure on the steering lock mechanism, and this may be all you really need to do.
Q: Where does one find the "cabin air filter" to change it, and is it easy to change on my 2008 Honda?
A: It's behind the glove compartment, and it's very easy to change for the average handyman. I would figure about 15 minutes.
Car Care Tip: If your car has a thermostat more than 2 years old, I strongly suggest changing it before the beginning of the winter.
¢¢¢
Larry Rubenstein is a master technician who owns a North Shore service station. E-mail Larry at scanauto@aol.com.
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