What does codes p1684 p0134 p0135 p0301 mean on a 2000 Plymouth neon so you can fix it?
Misfire and O2 sensor erratic voltage. It can be many things. Don't throw parts at the problem. Take it to a professional.
How does one repair a 1996 Audi A4 with a 2.8L showing trouble codes P1504 INTATE AIR BYPASS P0116 COOLANT TEMPERATURE and P0301 LOW EGR FLOW which is the result of a failed smog test?
p0301 is cylinder 1 miss fire detected, this means there could be a bad wire, sparkplug, or coil to number 1 cylinder. Yes, P0301 will always point to the #1 cylinder. The pattern is P030x = a cylinder misfire, and x = the cylinder number that is misbehaving. So any P0301-P0312 always represents misfires See "Related Questions" below for more
Both powertrain codes, but you'll need a book to be certain check the library for one you can use free.. dave P0301 is Cylinder #1 misfire. P0401 is Excessive EGR Flow. Replace the spark plugs and wires and reset the light. If it comes back on then you probably need to remove and clean the throttle body and egr valve...right inside the intake manifold is a air port that runs down to the egr valve...it…
P0301 = miss fire on Cylinder #1 2001 SOHC with a P0301 ---> Bad intake manifold gasket. Spray brake cleaner around the intake manifold gasket during idle. Listen for any changes in the idle. If so, you've found your problem. SOHC in the 3rd gen s-series are notorious for this. rockauto.com has new gaskets for 15 bucks. See saturnspot.com for a how-to
P0300 = Random Multiple Missfire Detected - Multi Cylinder Miss Fire Actually a failure not located in the cylinders, but on the ingnition or the fuel supply, or a very bad condition on the intake ( vaccum leak ) P0301 = Cylinder 1 missfire detected. P0306 = Cylinder 6 missfire detected. If you have all tree codes, start by checking the fuel delivery, fuel pressure, air intake, plug wires, plugs, vaccum leaks. Also could be…
2000 Toyota Avalon check engine light on displaying codes p300p301p306 changed sparkplugs and still dispaying codes what could be the problem?
p0300 is a general misfire code, and p0301 is a misfire on cylinder # 1. Most of the time a tune up will usually fix the issue. While you are checking things it wouldn't hurt to do a compression test while you have the spark plug out. If you have done a recent tune up recheck the plug, and possibly check the fuel injector.
Causes A code P0301 may mean that one or more of the following has happened: Faulty spark plug or wire Faulty coil (pack) Faulty oxygen sensor(s) Faulty fuel injector Burned exhaust valve Faulty catalytic converter(s) Running out of fuel Poor compression Defective computer You really need to go to a good shop and have someone diagnose this for you!