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Spark plugs; will bosch iridium 9611 replace ac delco 41-981 without any problems?

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Posted on Jan 02, 2017

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SOURCE: yukon 99 vibrate badly below 60 kmph spd

sounds like a misfire.check all the wires are tight to the plugs.,or do a compression test .if the compression is good,then it has to be electrical

Posted on Dec 08, 2009


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Jul 27, 2017 | Cars & Trucks

1 Answer

What are the best spark plug for a gmc 4.3

Need to know what year and what model to answer more specifically. It will be ac delco for sure, if it's a copper, platinum, or iridium will depend on year and model.

Mar 02, 2017 | GMC Cars & Trucks

3 Answers

My 03 Envoy 4.2l reads ph 300 just put a newer throttle body on it got rid of 2 codes ,runs rough I dont have iridium plugs in it

You need to get rid of that aftermarket air intake . And put the mass air flow sensor back on .

Dec 19, 2016 | 2003 GMC Envoy

2 Answers

Which bosch spark plugs Will work on a 2008 Honda accord 4 cylinder

This would equivalent to OEM
Iridium spark plug
Bosch part #9614 around 6.99 each

You can run other Bosch plugs from copper and up but you car calls for the iridium plugs hope this helps..

May 23, 2016 | Honda Cars & Trucks

1 Answer

Where are my spark plugs located in my 02 Gmc envoy?

Attached is a diagram of where the plugs and coilpacks are located, you need to remove the air intake resonator box to access this area. Plugs should be changed around 100K miles. Use only AC Delco 41-103 Iridium plugs. #1 is the coilpack and #5 is the spark plug


Oct 15, 2012 | 2004 GMC Envoy

2 Answers

How do i change spark plugs on my envoy?

If you have a 4.2 L engine, Remove the 10mm bolts on the coils, on top of the engine, remove the electrical connector then the coil, your truck has individual coils, spark plugs are in the hole, 5/8 spark plug socket, don't buy cheap spark pluggs for this truck, it will miss fire, I prefer autolites Autolite Xp Iridium/Spark Plug

May 09, 2011 | 2004 GMC Envoy

1 Answer

Whats a good spark for a 2004 chevy silverado 4.8 with 115500 miles

I am guessing you meant spark plug. Your truck calls for an Iridium plug. I would strongly recommend replacing them with the original equipment which is an AC Delco 41-110. They are available at most auto parts stores and run about $6.99 ea. If you're replacing the distributor cap, try to use one with brass contacts as they have far less problems with the spark arcing through the cap.

Feb 03, 2011 | 2004 Chevrolet Silverado

1 Answer

How to change the spark plugs in a 2002 chevy trailblazer?

Visit and do a search on "how to replace spark plugs", you will find threads describing the process. Make sure to use AC Delco Iridium 41-103 plugs.

Aug 30, 2010 | 2002 Chevrolet TrailBlazer

1 Answer

Dumps raw gas into engine

Just a few things to check. Take off the fuel filter and make sure there is no water in it. If you have put in different spark plugs than AC Delco, then change them to AC Delco. If you haven't looked at the plugs or the fuel filter, then it is way past time to replace the filter and new AC Delco spark plugs only. These places that insist that you use Bosch plugs or split fire plugs don't know ****. The Delco plugs are made especially for your engine and will out last those cheap non-working Bosch plugs.
If the fuel filter and plugs don't fix it, make sure your air filter intake isn't stopped up with a bird's nest. Happens a lot. If it still misses after new plugs, you may have a fuel injector sticking.
The bad smoke is the gas-thinned oil passing the rings and unburnt fuel smoke. The missing really bad is most likely fuel soaked spark plugs. Make sure you change the oil while changing the plugs or you will have a redo. Let us know if any of this helps. Dale

Dec 19, 2008 | 1998 Chevrolet S-10 Pickup

2 Answers

Spark plugs

these will work
Spark Plug Part No. Stock No. Plug Gap Photo V-Power TR5 2238 .040 camera.gif G-Power Platinum TR5GP 3186 .040 camera.gif Laser Platinum PTR5D-10 * 3784 .040 n/a OE Laser Iridium ITR5F13 ^ 6044 .040 n/a Iridium IX TR5IX 7397 .040

Dec 18, 2008 | 1996 GMC Sierra

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