Code shows throddle position sensor. car will not start .1982 astro

you could have a frayed tbs wire, make sure the connection wire or the two pins that connect tbs connection are in tact.....which code is showing?

Let's start with the codes.

Po129 refers to barosensor

Po344 is a code for the camshaft position sensor

Po339 crankshaft position sensor

Po340 camshaft position circuit malfunction

Po335 crankshaft POS sensor malfunction

Po122 throttle pedal position

Item 2,3,4,5 relate to each other that s camshaft and crankshaft position sensors. Since both already show a malfunction code, it would be advisable to change.

Sometimes other codes show up because there is a relation but not that the item is bad.

BEST CODE SCAN VECHICLE BECAUSE PROBLEM COULD BE IN THE HVS IN THE DISTRIBUTOR,FAULT IN IGNITION COIL OR CAMSHAFT POSITION SENSOR.

Possibly faulty throttle position sensor. Also gooked up EGR valve assy, allowing unwanted air in at the base of the TBI unit, therefore making engine rough at low RPMs
good luck

try adding some lucas fuel treatment to your gas tank to clean those fuel injectors. sounds like you've done everything else i would suggest. hope this helps!!!

time to buy a new van.. umm what about the alternator?

p0560 is system voltage problem. open or short between the battery positive and the ecm.CHECK ALL FUSES. dosnt matter what they are labeled under dash and under hood replace any that are bad and retry to start. no start then check voltage to ecm grounds to. i dont have a wireing diagram to give you but for a small fee or free the dealer can make you a copy.make sure all the wires that go to battery terminals are not corroded and are making good contact [verified with volt meter]. if after all checks ok then replace ecm. as a side note i havent had to change one ever.

crank shaft sen. is easy enough to change.its mounted near timing chain cover,cam sen.is somewhat harder,its in the distributor,id doubt that both are defect

needs reprogramming covered under a tsb at the dealer

HI..
Tha crank position sensor On your astro is located.
On front of the engine on timing cover, left side.
Behind the crankshaft pulley. with a connector of 3 wires.

I hope this work for you.