Light throttle. Or when I'm just sitting there. I changed all the spark plugs already.

My car started to hiccup when I was driving it. I was going pretty fast because I was late for a dentist appointment.

Fuel trim system too lean
Random multiple misfire
Cylinder 5 & 6 misfire

I have a hissing sound coming from the engine. I lifted up the box that contains the ECM (Electronic Control Module) and it seems to be coming from there. One symptom is that my car doesn't start automatically. I have to hold it in start for up to 3 second for the ignition to catch on. Fuel pump rel...

Now the check engine light is on. A hissing sound from the computer box. Can it be the Electronic Control Module?

Where do I have to go or what do I have to get to get codes read? & THANKS!

The car has just started these problems so i dont know if it's worse in the cold.

The car wont start immediately. I have to hold the keys in the starting position until it starts which takes about 3-5 seconds. "reduced engine performance" pops up after it doesn't start immediately. No engine light. Spark plugs were changed. The fuel injectors are clean. Fuel filter wasn...

It's regular. The RPM does not fluctuate anymore. It stays at about 700-1200. When the A/C is on it still doesnt fluctuate. Just a small jerk, feels like something stops for a millisecond.

It still happens, but not as much.