Help Please: Hesitation/missing - The 1947 - Present Chevrolet & GMC Truck Message Board Network

Big69C20 Toy · 06-02-2002, 07:17 PM

Ok i replaced my rocker arms with steel roller tipped ones from crane, got new pushrods and the like and new keepers for my valves too cuz the old keepers didnt look so hot. Ok well i did it all and got it all running and everything. Drove it down to my gf's and it was great. drove it back another 20 miles adn we went to a mall. Came out of the mall and it was acting up, seemed hesitant and like it was not firing in one of the cylindars or something. Anyways limped it home, found out the temp sensor wire came off put that on, but not fixed. One of the header bolts was loose AHAH but tightened that and all the others.

Still dang misfiring or something, i checked the plug wires and i cant figure out what is going on. It was happy and all good for like 40 miles yesterday at all rpms now it's chuggin some and liek i said seems liek a misfire or something.

Suggestions thoughts? help guys!

bigvinnie · 06-02-2002, 07:22 PM

might wanna pull your valve covers and make sure everything's still where it should be, something may have loosened up from the work you did....???

speeddemon · 06-02-2002, 07:46 PM

take a squirt bottle and fill it with water and spray your plug wires if there is a miss fire you should see it. If you drove 40 miles and you had no problems I would check them first before ripping the valve covers off.

Longhorn Man · 06-02-2002, 08:53 PM

Spray your header tubes while its running too. THe water will vaporise instantly on a cylinder that is fireing. This will tell you which plug to cuss at.

06-02-2002, 07:17 PM	#1
Big69C20 Toy Livin' it up. Join Date: Nov 2001 Location: Richland, MI Posts: 2,212	Help Please: Hesitation/missing Ok i replaced my rocker arms with steel roller tipped ones from crane, got new pushrods and the like and new keepers for my valves too cuz the old keepers didnt look so hot. Ok well i did it all and got it all running and everything. Drove it down to my gf's and it was great. drove it back another 20 miles adn we went to a mall. Came out of the mall and it was acting up, seemed hesitant and like it was not firing in one of the cylindars or something. Anyways limped it home, found out the temp sensor wire came off put that on, but not fixed. One of the header bolts was loose AHAH but tightened that and all the others. Still dang misfiring or something, i checked the plug wires and i cant figure out what is going on. It was happy and all good for like 40 miles yesterday at all rpms now it's chuggin some and liek i said seems liek a misfire or something. Suggestions thoughts? help guys! __________________ -Greg; Sold the 69 C20. It's off to a better home with more love! Now onto the 86 CUCV M1009; K5 blazer with 6.2L diesel, corp 10 bolt axles, Detroit locker in the rear, trutrac front, 3.73 gears, 35" tires.

06-02-2002, 07:22 PM	#2
bigvinnie Registered User Join Date: Aug 2001 Location: escondido, ca 92026 Posts: 1,222	might wanna pull your valve covers and make sure everything's still where it should be, something may have loosened up from the work you did....??? __________________ '72 short step, 350, 700R4, tilt, ps, pdb, a/c, lowered coils, etc., other work in progress... San Diego, CA 72 Stepside Project

06-02-2002, 07:46 PM	#3
speeddemon Registered User Join Date: May 2002 Location: lexington,South Carolina Posts: 158	take a squirt bottle and fill it with water and spray your plug wires if there is a miss fire you should see it. If you drove 40 miles and you had no problems I would check them first before ripping the valve covers off. __________________ 69-C10 LWB 71- fleetside shortbed It's a shame stupidity isn't painful Never play leapfrog with a unicorn

06-02-2002, 08:53 PM	#4
Longhorn Man its all about the +6 inches Join Date: Jan 2001 Location: Hilliard Ohio Posts: 2,693	Spray your header tubes while its running too. THe water will vaporise instantly on a cylinder that is fireing. This will tell you which plug to cuss at.



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