The TPS Sensor is located on the pass side of the throtle body the electric plug, plugs into the top of it and it has to small torx screws holding it on
Attached to the side of the throttle body.
try your tps sensor . means throttle position . may be giving a false reading. /
Remove the dog house in the van and the M.A.P. sensor is located behind the throttle body on the top of the manifold on the passenger's side. It is a flat sensor.
where is the oxygen sensor in a 2004 astro van
The 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.
On a 2004 Chevy Astro, the camshaft sensor is located in the front of the engine. It is on the left side of the timing cover behind the camshaft sensor.
Camshaft position is taken from the distributor, there is no separate sensor.
directly under throttle body
In the throttle body.
A
The 1991 Chevrolet Astro van may have various sensors such as the oxygen sensor, throttle position sensor, coolant temperature sensor, and mass airflow sensor. These sensors help monitor and adjust various engine functions to optimize performance and efficiency. If you are experiencing issues with your vehicle, it is recommended to have a professional diagnose and replace any faulty sensors.
probably misaligned your crank sensor.. I'm dealing with the same problem, might need to replace with new and make sure to gap properly.