answersLogoWhite

0


Best Answer

a worn valve will make it back fire

User Avatar

Wiki User

17y ago
This answer is:
User Avatar

Add your answer:

Earn +20 pts
Q: What makes cylinder 4 misfire in a 1997 ford contour if it has new wires and plugs and the coil pack is not bad?
Write your answer...
Submit
Still have questions?
magnify glass
imp
Related questions

What is making my 1999 Ford Contour misfire?

There are a couple of reasons why a 1999 Ford Contour may misfire. The spark plugs may need changed or the coil pack may be bad.


What causes a misfire in cylinder 2 in a 98 Kia Sportage?

Spark plugs


What does a misfire on a 3 cylinder 2005 dodge caravan mean?

It means # 3 cylinder has a misfire. My advice is to replace all the spark plugs, and check the spark plug wires carefully.


What is code P0300 random misfire detected P0302 on a Toyota celica gt and how do you repair it?

P0300 : multilple misifreP0302 : misfire cylinder #2Check plugs, wires, injector, compression, etc.see related question below.P0300 : multilple misifreP0302 : misfire cylinder #2Check plugs, wires, injector, compression, etc.see related question below.


What causes misfire on cylinders 2 and 3 on a 2000 4 cylinder dual overhead cam ford contour the ignition coil plugs and wiring are new and compression is good?

If the parts you mentioned have been tested and proven good, possibly the wires were not connected to the right plugs if recently changed, or out of timing.


How do you solve a PO302 code on a Jeep Liberty?

p0302 is cylinder 2 misfire, you need to fix the cause of the misfire. Possible causes are plugs, coils, injectors......


What is code P0303 Random Misfire Detected on a gmc Yukon and how do you repair it?

P0303 is cylinder #3 misfire. P0300 would be random misfire. Either way you need to diagnose the case of a misfire. Check spark plugs, plug wires(if equipped), cylinder compression, fuel inectors, and wiring.


What Is error code p0302 ford ka?

P0302 is a cylinder number two misfire. Causes include spark plugs, injector, internal engine failure, etc.


What could cause a cylinder misfire in a 97 buick lesabre?

I have a 95, had a misfire... mine was because of the plug wires... changed the wires and plugs mis fire stopped...


What causes a 97 ford escort misfire on 4th cylinder?

Change spark plugs and wires... TUNE-UP...


What cause Ford expedition cylinder misfire?

Plugs or / and Coil Packs. Auto Zone will check your codes for free and will tell you which plugs or coils are bad. Then replace.


2004 wrangler sport you need trouble code p0300 p0302 p0303?

Trouble code P0300 means: Multiple Cylinder Misfire Trouble code P0302 means: Cylinder 2 Misfire Detected Trouble code P0303 means: Cylinder 3 Misfire Detected I would change plugs and wires