Having problems with your 1997 Dodge Stratus ?

1997 dodge stratus code 43 engine light on

\015 What causes a multiple misfire code? I just bought the car used and 20 miles later the check engine light came on..did the ignition test and 12 43 and 55 where the codes. Battery disconnected, multiple misfire, and end of diagnostic codes, right? Now what would cause that? Timing? Spark plugs? The car drives fine.\015 Posted / edited by AnonymousUser on : 18-02-2019

Answers :

To start with, your 1997 Dodge Stratus is an OBD-compatible vehicle. The "old-school" switch the key on-off-on-off-on, is NOT very accurate on that vehicle most of the time. There may be several OBD codes that will lead you to the cause of the problem in a much more efficient manner.

As for misfires...There are MANY things that can cause misfire codes. Multiple misfire simply means that there is more than one cylinder that has misfired enough to set a code. You need to properly scan the vehicle and read the engine data to find out how many/which cylinders are misfiring. Then you must properly diagnose the misfiring cylinders. That is the ONLY way you are going to be able to correctly determine the actual CAUSE of the problem (unless you just want to spend a bunch of money randomly replacing parts). Yes, spark plugs can cause it. But then again, so can valve timing, blown head gaskets, bad ignition coil(s), defective distributor cap and rotor, burned valves, broken pistons or piston rings, faulty injectors, low fuel pressure, leaking fuel pressure regulator, overheating engine, vacuum leaks, malfunctioning EGR system, restricted exhaust, etc. etc.....
Is it worse when it's damp outside? Many times it's as simple as a good healthy tune up. Distributor cap, rotor, plugs and wires. Use champion plugs(these are o.e. on nearly all chrysler products, and work best) and chrysler actually has quire good prices on the rest. You didn't mention engine size, so you may or may not have all of these components. This is not the only possible cause, but it's the most common, and easy to check without special diagnostic equipment. just get a spray bottle, and lightly mist the ignition system components with ordinary tap water), and see if it begins to run ragged, or if there are any sparks. Feel free to contact me with any more questions! Just in passing, don't ever use distilled water for this, as distilled water is actually a much poorer conductor of electricity that tap water, well water, salt water, etc.Strange but true! good luck!
Repair Help & Product Troubleshooting for 1997 Dodge Stratus

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