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Can i use a cr8eb spark plug instead of a cr7eb on my speedfight 3

Hi i need a new spark plug as mine has fouled but the only one halfords have is cr8eb, will i be alright to use this as mine that's already in is a cr7eb i know it will fit but i don't want to cause any damage to the scooter engine

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The heat range of the plug dose matter but you can get away with it till u get the correct one.asap.

Posted on Dec 02, 2012

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SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

Hi there,
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Posted on Jan 02, 2017

  • 150 Answers

SOURCE: runs rough and keeps fouling out new spark plugs

sounds like too rich of a mixture check for vacuum leaks and check fuel press regulator

Posted on Apr 23, 2009

  • 18 Answers

SOURCE: new plug still no spark

U have to check connectivity from the coil, if also problem is not sorted then first chane starting coil and then pickup coil.......
u can call me anytime +919665071117....Ashish

Posted on Aug 27, 2009

  • 93 Answers

SOURCE: volvo 850 2.0 1995 non starting already fitted new

try spraying some easy start into the air intake while someone operates the starter if it trys to start you have a fuel system fault have you checked fuel pressure at injector rail you need to do this using gauge and check against volvo spec if low it will never run if ok check feeds to injectors using multimeter if no feed check relevent fuses if ok using multimeter check continuety of injector wireing back to ecu if it did not try to start using easy start check timing belt is ok and engine has compression

Posted on Jan 07, 2010

  • 699 Answers

SOURCE: VW golf 4 03 model `s spark plugs wires are

Partly insulated spark plugs wires will cause your engine to misfire badly as they will cause High Voltage short-circuits by arcing to nearby engine parts: they will certainly cause your engine to stall and cut off! The misfiring will also cause timing issues and cause your engine to overheat and 'knock'.
This is a serious problem that could badly damage your engine so I suggest that you replace the damaged cables immediately. By the way, using ordinary electrical insulation tape will not help much as they are not designed for high voltage (kV range) and the cost of high voltage rubberized insulation tape as an interim solution may be higher than the cost of a cable kit.
Hope it helps. Let me know how you go.

Posted on Jan 27, 2010

SOURCE: fouls 3 spark plugs on drivers side, rough idle

I will guess. Give me a lot of leeway here

Only me,BUT,if I got 3 plugs fouled twice,I would halt everything.

There would be no new converter,O2 Sensor,that was damaged, as a result of your issues,UNTIL, I solved the cause of their failure.

The TPS,MAP and IAC ,ONLY get replaced when I,just me again, have used a VOM or Oscilloscope to test,AND, the testing proved they were bad.

So, I think, a dry and wet cylinder compression test,a cylinder leak down test, a coolant pressure test,a check for combustibles in coolant,and even an exhaust gas reading,just to start a list of things to do,would be necessary, to tell you why the plugs are fouling.

If I went the wrong way,on oil or coolant fouling,just maybe a bad fuel pressure regulator,BUT only 3 plugs,THAT'S THE KEY

You got a bad head gasket or intake gasket
The TPS,MAP and IAC were replaced ,due to a guess and not testing.
If this was a dealer,they installed a converter and never attempted to solve the cause of failure. (Overheating,Rich Fuel Mixture or Coolant Contamination)

Posted on Oct 01, 2010

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You may also have defective injectors, worn spark plugs, (they may have improper gaps), the wrong spark plugs for your engine, insufficient spark due to defective coils or the coil pack, spark plug wires that have lost their conductive integrity or a fuel pressure issue.
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95 GMC 5.7l keeps fouling plugs

Hi Dale,

Several factors can contribute to spark plug fouling:

- The air/fuel ratio may be too rich as a result of incorrect carburetor adjustment or a poorly performing fuel injection system.
- Worn piston rings or valve seals may allow too much oil to leak into the combustion chamber, leading to oil fouling.
- The ignition system may not be performing properly.
- Prolonged idling or continuous low-speed driving may keep the spark plug from reaching its optimum operating temperature. Using too cold a spark plug can lead to the same problem.
- A dirty air cleaner can create a too-rich condition which can lead to fouling.

Have each of the above checked and corrected.

Fuel, oil and carbon fouling can all be the result of different causes but, once a spark plug is fouled, it will not provide adequate voltage to the firing tip and that cylinder will not fire properly.

In many cases, the spark plug cannot be cleaned sufficiently to restore normal operation. Hence, I always recommend that a plug be replace, once it becomes fouled.



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