What happens when an ignition module goes bad?

Overheating. Ignition modules that are overheating will soon completely cease to function and in the meantime can cause cause electrical shorts, engine stuttering, lower gas mileage, power loss, stalling, and gasoline odors in the exhaust. You can test for overheating while the car still runs.

What kind of engine does a Dodge Stealth have?

From 1997, the base model came fitted with the 3.0-litre SOHC 12-valve V6 engine from the base Dodge Stealth. This had a compression ratio of 9.9:1 and produced 161 horsepower at 5,500 rpm and 185 lb-ft. of torque at 4,000 rpm.

When did the Dodge Stealth come out in the US?

Like the 3000GT, the Dodge Stealth was manufactured in Japan and shipped to North America. On base models of the Stealth, Dodge offered a SOHC engine that was not available on 3000GTs until 1997. The 3000GT (and Stealth) enjoyed great success during the early 90s.

How to reset PCM and check engine light?

First, park your truck and turn it off. Pull the hood lever under the driver’s side dash, and then pull the safety catch on the front of the hood to open it. Find the power distribution center (PDC); it will be a black box near the battery. Unlatch and open the cover of the PDC.

What causes a car to decrease in gas mileage?

Decreased gas mileage is one of the automotive issues that have many different causes that may be acting alone or in combination with others. Here are a few causes to be on the lookout for: A bad oxygen sensor and/or a clogged air filter can reduce your mileage up to 20%.

What causes a sudden drop in fuel efficiency?

If the CEL is on have the codes checked and it will probably lead you to your problem. Such a drastic drop in mileage is often associated with a bad 02 sensor. I’ve had them go bad and cause a 25-35% drop in fuel efficiency. keith July 6, 2016, 2:38am #4 Did you have anything done to the car just before the mileage dropped?

Why does a clogged air filter affect gas mileage?

The result is wasted gas. Clean air is a key component in the combustion process and a clogged air filter restricts the flow of clean air to your engine. An air filter caked with dirt and debris can have a negative effect on your gas mileage, leading to more fill-ups.

What does it mean when Your MPG drops 20%?

BTW, there is a code if the ECT (engine coolant temp) does not come up withing a certain time frame. You could also have a fuel leak. My 2010 FIT dropped 20% immediately upon moving to a much colder climate. I checked tire pressure and changed air filter, changed gas stations. Still off by 20% ( 10 miles per gallon).