I have not owned a Dodge Caravan, but I have friends who did, and I've owned simlar engines in the sedans. First off, you didn't say how many miles were on your vehicle, but there is a maintence schedule for the oxygen sensors. These get replaced about every 80,000 miles. At that point, the 'required maintance' light will turn on. There is a danger of overheating the catalytic convertor if the oxygen sensors are being ignored by the engine mamagement system. The fuel mix may be nominal or on the rich side (default starting conditions) and if one is stalled in traffic for a lengthy period or the engine left runing while parked, the catalytic convertor may overheat. The engine management system will ignore the oxygen sensors if it receives signals outside an acceptable range. I haven't heard about wiring problems. The main gripe I've seen are transmissions. Because of the built-in automatic adjustment (done by timing the application and release of clutches)the user doesn't get a hint that his transmission is failing until near the fateful day. Its only a few more miles after the first 'glitch' is felt to complete outage. In one case, my neighbor's transmission had an early failure at 36,000 miles. A fastener inside the tranny broke. Later transmissions seem to be better.

That may be normal. Just how high is it? In cold weather, it might go to 1200 rpm at first start and then pull back to 900 rpm in the next few seconds. After a few minutes, it should settle to about 700 rpm. If the engine hits 2000 rpm on startup and is too slow in reducing speed, it needs attention. This assumes it was started with your foot off the accelerator and allowing the engine controller to control the process. Also, you may note this happening in cold weather: The idle speed increases slightly when the gear selector is moved from park or neutral to any gear. What's happening is this (for automatic transmissions): When the transmission is put into gear from neutral, the engine controller increases the idle speed a bit to compensate for the extra drag put on by the transmission. If the transmission is a little slow in engaging, the engine will speed up and then drop back in rpm as the transmission cluthes fully engage. This effect is less noticable after the transmission fluid warms and the shift from neutral to a gear quickens. The effect is more noticeable with transmissions that have accumulated wear on shifting valve seals and clutch facings.

I don't know about your Pontiac, but I do know about my wife's '97 Saturn. These are both GM products, so maybe there is a similarity in their theft deterrent systems. For our Saturn, if you lock the car with the remote key fob, this arms the security system and to disarm it, you must also unlock the car with the key fob. If, instead, you insert the key into the lock and unlock manually, it will activate the security system, and then, you must wait the time-out period before the car will start. The time-out period can be up to 30 minutes. So, the drill is: if you lock with the key fob, you must unlock with the key fob. Does this fit your situation?

I have a 1998 Pontiac Grand am se 4 cylinder. I noticed that when i stop put the brake, then accelerate the car likes hesitates or like it wants to stop, Then i have to press the gas pedal about 2 times and the car goes. Whats the problem?