Question about 2003 Mazda MPV

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Car missing car was missing in and out of gear .. machanic replaced spark plug coil .. problem semed to be fixd .. about 200kms driving later problem is back and getting worse.. car is a mazda mpv 2003 model can you help

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Pull all your plugs (one at a time and replace afterwards) and make note of any plugs that maybe black or wet. Do a compression test on those cylinders. You made the plugs hotter with the new coil but the potential flooding amy have just caught up. If this is any help, please check good or fixya. Tahnk you

Posted on Jan 07, 2009


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1997 jeep wrangler 4cyl not firing all new wires plugs cap a rotor button was running after installed,

ok, why not correct your first post
edit to
1: will not crank starter is silent
2: or cranks fast but will not start.

you cant get to 2 unless #1 works,
check fuses first.
key on CEL glows, if not ECU has no power. 12vdc.
when you crank
the ECU closes the ASD relay
if the relay drops out in the middle of cranking
that means the ECU did that ON PURPOSE
and always tells you why, but that takes a scan too.
why not let your mech do that,
you dont have tools so, its hopeless , for sure.
I bet.

IF the ASD does not drop OUT
then it's what?
total loss of spark (a bad spark coil ?)
or total loss of fuel pressure.

if sparks ok (a simple test done for 100 years)
endless examples, and in all car books.
if sparks ok
then a test fuel test runs engine for 2 sec. about, telling you lost fueling
and then I post a wall of text on fueling (yah complex. and not doing it)

Jan 29, 2017 | Jeep Cars & Trucks

1 Answer

1999 v6 firebird misfires on #6 cyl when under load, plug was fuel fouled last time I had it replaced, but keeps missing only when under load. no other problems.

if you've changed the spark plug and no difference, then it's time to swap the coil with another cyl. coil and see if the miss goes to the other cylinder, if it does'nt follow to other cylinder, then I would replace that injector !

Mar 18, 2012 | 1999 Pontiac Firebird

1 Answer

Has a weak spark missing on 2 cylinders

your current passing coil is weak! may be your sparking plug is weak and there is a problem in your sparking wire! your engine is ok go to any machanic shop and repair it from there! vote me if it is helpful for you!

Sep 18, 2011 | Dodge Spirit Cars & Trucks

1 Answer

1996 GMC SL 6 cyl,4wd,automatic, 180k, runs great, starts great, tranny shifts fine into all gears,,,,but it has a miss/sort of buck when driving 50 mph, in gear 5 and you call for more power to pass a...

Hello Ronald.

You are experiencing a misfire.
As you are experiencing, the fuel mixture in the ngine is quite lean at that point and the engine is putting out all of torque it has. This is where the most spark available is needed.
What isn't happening is a strong spark in one or more of the engine cylinders.
This can be caused by a weak ignition coil, bad ignition wire, distributor cap/rotor or spark plug most commonly.
There are other less common possibilities such as a bad fuel injector, EGR valve, fuel issues but spark is first to take care of.

To check for weak ignition the first thing I do is spray a little soapy water on the ignition system with the engine running.
I like to do this in a dark area.
Start at the spark plug boots, look for a spark jumping off the wires to the engine. Keep squirting the water all the way back along the ignition wires to the distributor and back to the coil.
Replace anything that you see spark jumping off of.
Sometimes it takes a while for the water to soak at the distributor cap area.
If all your ignition is original Ronald, replace it. It's 15 years old.
Coil failure is very common. Sometimes you may not see the spark, it jumps off internally.
There are a few ideas for you, I hope it helps you find the problem.
Thank you for using FixYa.


Jan 12, 2011 | 1996 GMC Sierra

1 Answer

2005 chevy cobalt 2.2 is running rough (putting)

Number three cylinder is miss fire,it does not mean it is the coil,although it could be,remove the coil,and boot,and spark plug,inspect them to see if the plug,or boot look bad,replace the spark plug,and if the boot is burned or distorted,replace it,a fuel injector can cause a miss fire also,but change the spark plug and see if this solves the problem,if not replace the coil,if it is a dead miss,then the coil might be bad,as for the water in the fuel ,the cap is missing,,and 5 dollars worth of HEET will not hurt,also,fuel from the fuel station,can have water in it.It happens a lot.

Apr 03, 2010 | 2006 Chevrolet Cobalt

1 Answer

Missing problem

The best way is to replace the sparking coil and then while doing this it will be wise to check the spark plugs and the leads. Cheers.

Mar 21, 2009 | 1999 Daewoo Nubira

1 Answer

Can't keep coils working

Have you replace spark plugs? They may be overworking the coil packs. I would recommend the motorcraft spark plugs.

Jan 26, 2009 | 2000 Ford F250 Super Duty Crew Cabs

1 Answer

1994 bonneville misses especially at speed and acellerating

good chance you may have a bad coil, you can check by disconnecting the plug wires at the coil to see if your getting any spark, if your not seeing any spark when car is running your coil is bad. be sure to do disconnect the plug wire when engine is not running and key is off!
New coils run around $26.00 easy to change out, you only need a nut driver, 2 small bolts.

Dec 03, 2008 | 1994 Pontiac Bonneville

2 Answers

1995 buick regal custom missing

you might have bad plug wires replace wires and saprk plugs

Jun 09, 2008 | 1995 Buick Regal

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