I need some help. I had a blown headgasket, replaced head and gasket and now I can't get it to start. I am getting fuel but no spark. The tachometer is not moving while I am cranking either. I am getting a code 41 which is oxygen sensor I believe. Any Idea what my problem is. If it was the ignitor I would get a code wouldn't I.

 

anyone

 

Did you take out the o2 sensor when you disconnected your header/em to get to the head?

 

No I left it in the header and unplugged the connector

 

would i get a code if the igniter wasn't working. Would I be getting fuel in the cylinders if the igniter wasn't working.

 

how is the ground from the valve cover to the frame?

 

not sure I'll check it though. Thanks for the help.
anything else.
What about codes. wouldn't i be throwing a code if the igniter was bad. would my injectors be firing if the igniter was bad?

 

41 isn't the O2 sensor, it's the O2 sensor heater (a heating element at the tip of the sensor, not sold independently).

One of two things happened, it's not reading it correctly (or at all), or you need a new O2 sensor.

Most likely reason: Short - but if it's a short it'll blow the fuse on the second row , 5th column on your underdash fuse box and you'd be throwing about 6 other codes so it's probably not that.

I'd try changing the O2 sensor out and see how that works. 31 dollars shipped denso universal from frank_2.0L on H-T.

As for the spark, make sure the distributor plug has power. Get a "OBD dizzy plug swap" diagram (which'll have the pin-outs for the dizzy plug) and see which one is power - make sure it's getting power.

If it's getting power then it's most likely a ground or your igniter.

EDIT:
Though seeing as a special circumstance entails where you just removed the head to do the headgasket job - my money goes on "ground problem." Make sure you tightened that ground on the VC and the other one underneath the distributor that u usually have to remove to get clear access to the thermostat.

 

Syndacate here to lay the smackdown once again Extremely helpful!

 

im glad i dont ever have these problems when doing swaps and what not...lol....I didnt even use a O2 sensor for a while after i got tuned..friend needed one so i sold it to him, lmao...just plugged up the bung hole

edit: also got the tuner to turn my o2 off in crome so it wouldnt throw CEL