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idle/misfire
Hi,
Do you have access to a scanner? If the check engine light is flashing,it sounds like the failure is intermittent.Rapid cycling of this light could also indicate ignition failure, but a bunch of other possibilities are out there. Try to pull trouble codes. If you have no scanner, jumper a to b on the aldl, with key on engine off, and count the light flashes. See descriptions on this procedure at gnttype.org, maybe other sources. Good luck!
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***83 Buick Regal TType*** '87 drivetrain and all associated stuff. Fresh rebuild with Stock block,ARP studs installed with stock caps,align bored to ensure proper fit.Sealed Power forged pistons,stock rods,resized for ARP bolts,stock heads with low cost stainless valves,206/206 Comp flat tappet cam, TA49 turbo,009 injectors,hotwired Walbro 340, Hooker cat back exhaust,K&N filter in stock airbox,Spearco water injection, pretty stock otherwise. ***89 Pontiac Turbo TA*** Walbro 340, Flowmaster muffler, otherwise stock. ***96 Buick Riviera*** 3.6" blower pulley,otherwise stock.Runs 15s on a hot day at 4000 plus pounds weight, with the A/C on. ***84 Jeep Cherokee 2door 4x4*** 87 Turbo Regal motor,thm700R4,rusty wild child,definitely a restoration awaiting progress. |
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Hi,
Well,it is possible that you have a code 12 failure, which is loss of rpm signal. Do you have a flowchart for 12?
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***83 Buick Regal TType*** '87 drivetrain and all associated stuff. Fresh rebuild with Stock block,ARP studs installed with stock caps,align bored to ensure proper fit.Sealed Power forged pistons,stock rods,resized for ARP bolts,stock heads with low cost stainless valves,206/206 Comp flat tappet cam, TA49 turbo,009 injectors,hotwired Walbro 340, Hooker cat back exhaust,K&N filter in stock airbox,Spearco water injection, pretty stock otherwise. ***89 Pontiac Turbo TA*** Walbro 340, Flowmaster muffler, otherwise stock. ***96 Buick Riviera*** 3.6" blower pulley,otherwise stock.Runs 15s on a hot day at 4000 plus pounds weight, with the A/C on. ***84 Jeep Cherokee 2door 4x4*** 87 Turbo Regal motor,thm700R4,rusty wild child,definitely a restoration awaiting progress. |
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check the computer chip in the ecm ... make sure its no full of "crap" .. hmmmm happened suddenly ... try disconnecting the maf sensor and see how it idles then ... usually if the check eng light comes on it will save a code ... ohhhh another thing to check first ... the positive battery cable .. make sure its not hitting the pass side exhaust manifold.
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Dan don't run your mouth if you cant run your car 86/87 GN and 89 TTA .. tons of parts !! Time to get out! Stuff has to go !!! Otherwise I am cutting it up and throwing it away email ttastage2@yahoo.com
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Hi,
I agree with Grumpy that a MAF problem could be the culprit. The symtoms sure warrant a look at this. Good luck!
__________________
***83 Buick Regal TType*** '87 drivetrain and all associated stuff. Fresh rebuild with Stock block,ARP studs installed with stock caps,align bored to ensure proper fit.Sealed Power forged pistons,stock rods,resized for ARP bolts,stock heads with low cost stainless valves,206/206 Comp flat tappet cam, TA49 turbo,009 injectors,hotwired Walbro 340, Hooker cat back exhaust,K&N filter in stock airbox,Spearco water injection, pretty stock otherwise. ***89 Pontiac Turbo TA*** Walbro 340, Flowmaster muffler, otherwise stock. ***96 Buick Riviera*** 3.6" blower pulley,otherwise stock.Runs 15s on a hot day at 4000 plus pounds weight, with the A/C on. ***84 Jeep Cherokee 2door 4x4*** 87 Turbo Regal motor,thm700R4,rusty wild child,definitely a restoration awaiting progress. |
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sounds like a bad Maf to me
__________________
Dan don't run your mouth if you cant run your car 86/87 GN and 89 TTA .. tons of parts !! Time to get out! Stuff has to go !!! Otherwise I am cutting it up and throwing it away email ttastage2@yahoo.com
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