Hello, I have a 1999 Eclipse RS that my brother and I have owned since 99. The car is stock, never raced or abused. Have always tried to do the general maintenance on time. It is currently my daily and has 190,000 on the odometer.I failed California smog yesterday at Idle HC (ppm) the allowed...

I am in California and I recently bought a 2g 97 gst. The motor might be done and saw a used 6 bolt 4g63 online for about $2.7k. I wanted to know if anyone is knowledgeable about the 6 bolt swap and how the logistics would work with passing smog and a possible state ref.

Hello, I have a stock 1997 Mitsubishi Eclipse Spyder GST. I’m in California I need to smog the car soon. Can someone please help or know the specific drive cycle instructions for the monitors to turn on? I currently have 5 monitors as incomplete. The car has been driven 2 days about 300 miles. I...

I have decided to embark on the journey of turboing my 4g64 spyder gs. I was curious since I live in California emissions are stricter, will a turboed 4g64 fail emissions? I know that you can't touch anything pre cat or something like that but if I take most of the stock parts from a 63T like...

Hello, I have a 1997 GSX. Car seems to be running rich. It smells a lot like gas at idle. I had a check engine light and replaced both O2 sensors. Ive driven the car like 3k miles and check engine light no longer comes on, but the smell of gas is still present. Monitors do not set. I smoke...

I have a 1997 gsx. Car is mostly stock, i have been having trouble getting the monitors to set. I used to have a check engine light. I replaced both O2 sensors and check engine light is no longer coming on, but monitors still wont set. I also replaced the fuel filter, spark plugs and also...