1999 K2500 P1336 Code No Start

[mick9991k2500]

Any ideas on this I have a 99 k2500 with 5.7 ran fine day before. went out to start in the morning nothing just turns over got spark got fuel wouldnt even fire or try to with starting fluid. Hooked up the code reader have a p1336a code

any suggestions?

[ChevyTech77]

Any ideas on this I have a 99 k2500 with 5.7 ran fine day before. went out to start in the morning nothing just turns over got spark got fuel wouldnt even fire or try to with starting fluid. Hooked up the code reader have a p1336a code

any suggestions?

 

That's a crank variation learn dtc. Have you done any work to it? Might be a CKP sensor or damaged CKP tone wheel and it could be a distributor. I can tell you this, if it doesn't fire on ether either you aren't getting it into the engine enough or you have no spark, period.