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2003 chrysler town & country 3.8...P0304 #4 misfire.. Pulled and cleaned #4 plug..put a new #4 spark plug wire. Road test still misses badly in normal drive in the 1500-2100 rpm band.. random multiple pops misfires.. should I persue the crank timing sensor? Plugs are E3 with about 9000Miles on them.. Also replaced the ciol
By the way it's not crank sensor, if sensor bad it would not start, also check coil pack may sure you have spark coming out of all plug holes at coil pack, check with engine running for spark.
By the way it's not crank sensor, if sensor bad it would not start, also check coil pack may sure you have spark coming out of all plug holes at coil pack, check with engine running for spark.
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Crankshaft position sensor maybe , throttle position sensor , coolant temp. sensor etc.... It could be a lot of thing's . Instead of buying this part an that part ,take it an have it diagnosed . To a good ASE certified repair shop . Unless you like buying unneeded parts .
Apr 29, 2011 - Page 1 of 7: How to Test the Coil Pack (2001-2008 Chrysler 3.3L, 3.8L). ... This article will help you troubleshoot a Misfire Condition that might be setting ...your 2001-2009 Chrysler (or Dodge) 3.3L or 3.8L Town and Country, Voyager, ... it's important the you know what 'Paired Cylinders' and 'Non-Paired ...
Sound like electrical problem.
Get a water spray bottle. Go to the car at night and dampen all electric wires ( plugs, coils etc.) Start the engine in the dark and hopefully see what is putting out little blue sparks.
A slight hestitation could be from a vacuum leak. Check for that & run a couple of cans Seafoam in the next 2 tanks of gas. That will clean the fuel injectors. I hope this helps.
do you have an engine light?1) check your spark plugs first. when is the last time you had a tune-up? it could be the ignition/timing. might need a new distributor cap/spark plugs/plug wiring. 2) check your intake and look for any vaccum leaks and check your engine light if you do, if you do and its a mass air flow input low, then you need a new maf sensor. 3) if you have a clean fuel system, then that is eliminated as a problem.
P0304 Code indicates a misfire on cylinder 4
Most likely causes for this are bad wire, bad spark plug, bad coil(s) or bad dist cap if so equiped.
A vacuum leak can also cause a misfire.
Seeing the vehicle is going on 13 years old replacing the wires and the plugs would be a good place to start, and could be the solution
This code is cylinder #3 misfire. Check ignition lead for any damage to the spark plug boot or insulations on the lead. The best bet just to replace the set of leads. Do not buy a cheap set. Buy a premium quality set.
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