Quick background. last week fired the truck up it ran on a sd tune in open loop no 02 sensors i fowled out the plugs. This week i replaced the plugs got ythe exhaust finishe and the 02s in and she started and ran but now she wont restart. It atempts to start some times ive gone threw 4 sets of plugs just to be sure this set is good. gaped between 33-35. Everytime i replace the plugs it starts but wont restart after it runs. I found a vacuum leak and fixed it. the FP is good 45psi which is what my injectors are rated at . Here is the strange part if i shoot ether in it it starts fine and runs fine. it is throwing a po102 which is a maf code but im on a 3 bar sd tune. Can some one please tell me wtf

 

Have you checked with noid lights to make sure your injectors are firing?

Well just read that you said it will start and run with a bit of ether right? How long does it stay running, and is it driveable?

 

i give it one squirt on each breather and it fires and stays running and is drivable

 

its driving me insane it doent make any sense

 

You should have a MAF code when in SD. Failed so that it won't look at the MAF. It sounds like tune to me. Cold/First start enrichment routines not right. Possibly idle air.