Question about 2002 Mercury Grand Marquis

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What is the 2002 Merc Marquis cylinder order

I've got a error code misfire on Cyl 8. Which is cyl 8. FYI - Firing sequence ends with 8.

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The last cyl. on the driver's side is #8 clostest to firewall #1 is on the pass. side front then 2,3,4
drivers side 5'6'7'8 most common fault is the coil on plug. check the spark plug for fouling and change if needed

Posted on Feb 17, 2009

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1998 nissan frontier xe 4 cyl auto misfire cyl #2 engine vibrates like a bad sparkplug when driving


To review - - do you know for a fact the distributor is firing that cylinder? And do you have power and a ground pulse for that injector ?
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2002 elantra cyl 2 random misfire


Hi there:A P0300 diagnostic code indicates a random or multiple misfire. If the last digit is a number other than zero, it corresponds to the cylinder number that is misfiring. A P0302 code, for example, would tell you cylinder number two is misfiring. Unfortunately, a P0300 doesn't tell you specifically which cylinder(s) is/are mis-firing, nor why.

For example, a P0302 code means that the the car's computer has detected that one of the engine's cylinders is not firing properly. In this case it's cylinder #2; same condition in P0301 - cyl #1, P0303 - cyl #3 and P0304 - cyl #4.

A code P0300 (or 301, 302, 303 or 304) may mean that one or more of the following has happened:
Faulty spark plugs or wires
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Burned exhaust valve
Faulty catalytic converter(s)
Stuck/blocked EGR valve / passages
Faulty camshaft position sensor
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About your possible solutions, if there are no symptoms, the simplest thing to do is to reset the code and see if it comes back.

If there are symptoms such as the engine is stumbling or hesitating, check all wiring and connectors that lead to the cylinders (i.e. spark plugs). Depending on how long the ignition components have been in the car, it may be a good idea to replace them as part of your regular maintenance schedule. I would suggest spark plugs, spark plug wires, distributor cap, and rotor (if applicable). Otherwise, check the coils (a.k.a. coil packs). In some cases, the catalytic converter has gone bad. If you smell rotten eggs in the exhaust, your cat converter needs to be replaced. I've also heard in other cases the problems were faulty fuel injectors.

Random misfires that jump around from one cylinder to another (read: P030x codes) also will set a P0300 code. The underlying cause is often a lean fuel condition, which may be due to a vacuum leak in the intake manifold or unmetered air getting past the airflow sensor, or an EGR valve that is stuck open.


Hope this helps.

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1996-98 4.3L Engines Firing Order: 1-6-5-4-3-2Distributor Rotation: Clockwise


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1996-98 5.0L, 5.7L and 7.4L Engines Firing Order: 1-8-4-3-6-5-7-2Distributor Rotation: Clockwise



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4.3L Engines Firing order: 1-6-5-4-3-2 Distributor rotation: Clockwise


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4.8L, 5.3L and 6.0L Engines Firing order: 1-8-7-2-6-5-4-3 Distributorless ignition system (one coil on each cylinder)


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Changed heads due h/gasket ,tried to start engine however started but bad misfiring shaking etc checked leads now what ?


Hello; Sounds like firing order is incorrect. Recheck plug wires for proper cylinder match. The firing order is usually casted on the intake manifold.. Let me know, ok?
Six cylinders :153624
v-8 18436572,- 1546278 etc.
4 cyl -1342
GOOD LUCK

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Need wireing diagram for 2002 dodge grand caravan


------>>>FRONT>>>>of Van >>>>

______________________________
#5 cyl #6 cyl

#3 cyl #4 cyl

#1 cyl #2 cyl
______________________________
_________________
I COIL BLOCK I
I I
I #3 #1 #5 I
I I
I I Firing Order Is
I I 1 2 3 4 5 6
I #6 #4 #2 I
I _______________I_

the Wires Go Accordingly to prospective Terminals, So Sorry Unable to Send Pics through FixYa, A Formating Problem Exists
and they show on my end but not on your end this is TRUE and CORRECT To The BOOK other than the Lines from Coil to Spark Plug ENDS at CYLINDERS. Please dont Forget to RATE Me
Thank You And Happy Motoring!!



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