P CODES (POWERTRAIN) P0300 - P0399

I Recently Replaced The Coil Packs And Spark Plugs And Wires. I Keep Getting A Check Engine Light And When I Check The Code It Is The Same...

Hi, I'm Having Trouble Finding The Source Of Why My Friends Car Keeps Throwing Dtc P0303 And Sometimes P0300 Which I'll Get To...

How Do I Fix A Diagnosis Code P0304 A Misfire In 4 In A 1996 Taurus With 3.0l Compression Good 120 Changed Plugs Wires Egr Backpressure...

I Replaced The Coil And Plug In Cylinder One And Still Throws Same Code. What Else Could It Be? No Other Codes Present Only Po301. Thanks...

Check Engine On Po335 Tach On Dash Goes Crazy 2500rpm To 55oorpm I Have Already Changed Crank Sensor. Cant Get Truck To Do Relearn. Also...

I Have A 2005 Pt Cruiser 2.4 L Turbo. Some Days The Car Will Act Fine Like Nothing Is Wrong But There Are Some Days Where I Cant Make It...

Went Into Get A Hair Cut, Came Out And My Jeep Started Running At A High Rpm's And Was Throwing Three Error Codes; P1391, P0171, And...

I Have A 2004 Acura Tsx Which Is Popping Up Cel Code P0341. This Code Started Popping Up After The Last Oil Change, And I'm Going To...

Trouble Codes Po300 And Po303. What Would Cause This? Can I Get Mr. Ken (admin)?

Service Engine Light Came On After Engine Was Running Great. Engine Missed A Few Beats And Stalled In A Parking Lot When Hot. Then Set...