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2002 Dodge Stratus 2.7L flooding on cylinders 2 4 and 6. Has injector pulse and coils are firing. Intake pulled no leaking injectors. Been to one shop, cam and crank sensors replaced. Any ideas?

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Posted on Jan 02, 2017

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  • 84 Answers

SOURCE: wont stsrt

sounds very much like the coolant temp sensor
, this tells the pcm that the engine is cold, sometimes they fail and tell the pcm the car is at -40 degrees, the pcm then tries to compensate by keeping the injectors open for too long flooding the engine. the part is inexpensive, and normally easy to replace. It can be checked with a scan tool, or a volt/ohms tester,

Posted on Dec 22, 2008

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SOURCE: car has no spark or injector pulse(new ecm,crank sensor)

Check the fuse for the injectors, some vehicles have the injectors and coil running on the same circut, at the same time check the fuse for the ignition.

Posted on Jan 30, 2009

  • 56 Answers

SOURCE: Fuel Injectors leaking

Where the injector's mount to the fuel rail and into the eng. there are o-ring's.Check the o-ring's for damage.If the o-ring that seal's the inj. to the fuel rail is damaged it will leak alot from the pressure of the pump and make the car act like it's running on 3 cylinders because there is no fuel going to the cylinder to ignite.If there is a bad seal in the area where the inj. goes into the cyl.head it will leak a little and should be fixed as well.When installing new o-ring's lube them up litely for a easier install.Be sure to clean the gas up so you dont ignite any spilled gas.Hope this help's.

Posted on Mar 02, 2009

  • 383 Answers

SOURCE: Little to no injector pulse only when starter is engaged

95-97 Maximas had a problem where condensation from the A/C would accumulate in the a/c evaporator case from the drain becoming restricted or blocked, When this would occur, condensation would drip onto the ECM and a problem would develop with misfire and/or starting. I would look at the ECM where the harness connects to it for corrosion problems. If you find it, there is a chemical spray which can be used to clean the terminals and/or you can clean them, although it is time consuming and difficult to due because of how small the terminals are. After things are cleaned up, lightly coat the connections with a dielectric grease. This will prevent electrolysis.I believe you can buy these at Radio shack and possibly at an automotive parts supplier.
Also a drop in voltage during the cranking phase will cause a weak spark. Your ignition is what pulses the injectors. It takes a minimum of 9.6 volts, but ideally you want at least 10.5 or more during the cranking phase if you want to get a spark worth anything. Check the voltage on the primary side of the coil while cranking the engine.
I'll watch to see if things work out for you, let me know. ....mybunkey

Posted on Apr 18, 2009

  • 740 Answers

SOURCE: 1993 honda accord 2.2,no injector pulse

This sounds like a main relay problem here is a diagram its located under the dash under steering column its the brownish -orange box in the picture. http://www.tegger.com/hondafaq/mainrelaylocation/7-main_relay_closeup.jpg Good luck and thanks for using FIX YA

Posted on May 15, 2009

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I have a dodge stratus 2000 with 2.4 liter dohc motor, ran fine then stalled once started right no spark will not start


Try using one of the old plugs and connect it to #1 and a good ground then try starting to visually confirm if spark is/is not present. Its much easier to see the spark in the dark. If you get a spark the problem is not electrical and could be a bad ground between the plug and the block, rarely happens, but not unheard of.

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2002 Dodge stratus takes longer than usual to start.


Fiter is inside the tank... thanks to overly clever automotive designers! But I would check the fuel injectors first, as a leaking injector will flood the engine and cause a too long start, caused by the engine clearing the excess gas from the affected cylinder(s).

Other things to check: proper fuel pressure (weak pump or misbehaving pressure regulator), proper battery voltaje during cranking (a weak battery will turn the engine but the computer could be receiving too low voltage). Best luck. Amclaussen.

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1 Answer

Has power to the injector but it doesnt have a pulse


Ah, here we are again, Adam! Sounds like the injector ground circuit is not working properly. Do as I posted previously, put a testlight on the positive post of battery, and probe the injector ground terminal. Now crank the car over. If light is flashing, circuit is good. If no light, or light is not blinking, computer malfunction or malfunction in the ground circuit.

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Check engine light is on, they say multiple miss fire in cylcinder 6. but no one can find the problem van runs great


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CYLINDER NUMBER 5 IS STANDING IN FRONT OF VECHICLE IT WILL BE THE 5 CYLINDER COUNTING FRONT TO THE BACK CYLINDERS IS IN ORDER 1 2 3 4 5 6 THAT YOUR CYLINDER ORDER. YOU HAVE A INLINE 6 CYLINDER ENGINE.YOUR MISS FIRE COULD BE THE COIL - SPARK PLUG - CLOGGED OR FAULTY FUEL INJECTOR. ALSO INTAKE MANIFOLD VACUUM LEAK OR SLIGHT HEAD GASKET LEAK WILL CAUSE MISFIRE.

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99 dodge caravan #4 cylinder misfires, i replaced spark plug wires and spark plugs. Scanner showed #4 still misfiring, could this be the coil?


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1 Answer

The pistins 4&6 are not firing?


1. Check the spark output at the failing cylinders. A minimum of 30kV should be present during cranking.

2. Check the injector operation with a fuel pressure gauge and a compatible scan tool. Monitor the fuel pressure for losses at key off, 75% of max pressure should be present after 40 minutes, pressure should drop off slowly. Using the scan tool actuate the injectors with the Automatic Test Mode (ATM) tests, this will pulse the injectors with just the key on. Listen for the "click" on each cycle (the injectors are pulsed very rapidly and may not pulse a noid light).

3. Check the compression on the cylinder, running compression will help verify internal mechanical problems. With a cylinder leak down test less than 10% leakage should be seen.

1. Check the wiring harness from the injectors and MAP sensor for melted insulation in the section covered by the protective outer sheath.

2. Cut the heat shield enough to remove the wires from the inside. The insulation often melts and the wires can short together. Repair as needed.

3. If the sensor ground shorts to any of the wires with B+, the sensor ground will be damaged in the Powertrain Control Module (PCM). Replace the PCM only after verifying that the wire harness is OK.

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1 Answer

Cylinder 1 miss fire


Check for low weak compression, or an intake leak on that cylinder. Make sure the plug is getting spark, and that the injector is pulsing.

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Engine code 306 on a 2005 stratus with a 2.7 engine. i replaced plugs but still idles rough.


This code is for cylinder #6 you have a coil that is bad on that cylinder

Jun 06, 2009 | 2005 Dodge Stratus

1 Answer

Ce lights on code reads #3 cylinder misfire


I assume this 'complete' tune up was plugs, wires and plennum (intake surge tank) gasket?
If so, recommend you first check to see if you are getting an injector pulse to the #3 injector (a noid light is normally used to verify the injector is receiving the 'pulse' from the ECM. The noid light is a very useful tool in finding out if you have problems with your fuel injector. It is cheap (around 10 dollars per piece), easy to use (if the light blinks, your injector is receiving the electrical pulse to open). If after you verify the injector pulse is present, the next step is to determine if the injector or cylinder is the problem. A simple verification process requires swapping the #3 injector with another to see if the misfire moves to the swapped cylinder.(.i.e, move #3 injector to #2 cylinder & the #2 injector to #3 cylinder.).. Then run engine to see if the P0303 changes to P0302. This would VERIFY the injector is in some way defective. If the misfire STAYS at #3 cylinder, you'll want to perform a compression test of all the cylinders. If after this test you find #3 cylinder is more than 10% lower than all the other cylinders, do a 'Leak-Down' test to determine if the low compression is due to leaky valves (intake or exhaust) or whether the piston/rings are the problem. NOTE: If all the cylinders are withing 10% of each other during the compression test, the possible causes are, injector O-ring leak, vacuum leak at the intake manifold at #3 cylinder, or the spark plug not firing under compression.

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