Q: 1998 dodge viper gts letting of throttle rpm hang 2100 for about 10 to 15 seconds then drop to 700 where it should be.

This engine had quite a few different issues that may of caused a no start. The list is ignition module, distributor stator, fuel pump, fuel pump relay, timing belt, ignition coil and wiring issues. The only way to fide the...

The description you have given is rather vague, but it could be that what you are hearing is timing chain noise. This engine is well known for having timing chain issues. In fact, Chrysler even issued a recall for this...

I would have a technician such as one from YourMechanic do a parasitic drain test (https://www.yourmechanic.com/services/battery-will-not-hold-a-charge-inspection) on the battery. This is where you connect a amp meter to the battery and pull out fuses until the drain stops to determine...

If it's happening when you stop or accelerate, it is often a broken motor mount (https://www.yourmechanic.com/article/symptoms-of-a-bad-or-failing-engine-mount) or transmission mount. I've got a video "how to change bad motor mounts on your car (https://www.youtube.com/watch?v=h4VqDmlR9Oc)" that shows you how to check it....

Hi and thanks for your question. It is notorious for the wiper blade arms to strip out on the wiper motor drive rod. Check to see if the motor is turning the drive rod. If the drive rod is moving,...

Hi There, The ECM on your Dodge Caravan is located inside the driver's fender on the frame,toward the front bumper. As you know, there are many things that can cause a misfire aside from the ECM. I would suggest removing...

Hi there. You can change the engine block, but the cylinder heads will not match up. The cylinder heads for a 94 was made for an intake with a throttle body and injection in the throttle body where the 97...

It sounds like the left front brake was stuck in the applied position. The constant friction overheated the brake pads and they started smoking. Heating up may have caused the brake fluid temperature to reach it's boiling point. Even though...

If the vehicle will not start after a timing belt replacement (https://www.yourmechanic.com/services/timing-belt-replacement), it is very likely that the replacement did not get performed to specification and the engine is out of time. This would require the engine to be disassembled...