P304 means misfire on number four cylinder. Can be bad spark plug ,bad plug wire,or bad fuel injector. could also be loose plug wire or injector wire. How many miles since tune-up ?
You have a problem. see a mechanic to read the computer codes. You need a code reader to determine what is malfunctioning, and after repair, to clear the code. If the problem is fixed, it still needs to be cleared. Pepboys sells a code reader from 80 - 200 bucks.
The 2001 Chevy Blazer does have an ignition security system that is controlled by the computer in the vehicle. The light might come on because of an error that is coming up in the computer due to a key problem or an ignition problem. This is a common issue with the 2000 and 2001 Blazer.
Have vehicle scanned to determine the problem
There is a problem with the SRS...have a dealer check it.
The head is aluminum and is possibly warped. you need to do a compression and cly leak down test.
There are a couple of reasons why a headlight keeps blowing on a 2001 HyundaiÊ Elantra. There could be a problem with the ground circuit or the connector.
The 2001 Hyundai Elantra has 16 valves.
The 2001 Hyundai Elantra has an inline 4 engine.
The 2001 Hyundai Elantra is a gas-powered vehicle.
The 2001 Hyundai Elantra's came with the 2.0L engine
The 2001 Hyundai Elantra has a 5-speed manual.
The 2001 Hyundai Elantra runs on regular unleaded.
The 2001 Hyundai Elantra's turning circle is 37.5 ft..
The 2001 Hyundai Elantra is 14 ft. 9.1 in. (177.1 in.) long.
The 2001 Elantra holds 4.5 qts with filter
The 2001 Hyundai Elantra has double overhead cam (DOHC).
The height of the 2001 Hyundai Elantra is 4 ft. 8.1 in. (56.1 in.).