Try cleaning the EGR valve.
To change the camshaft positioning sensor on a 98 GMC Jimmy you need to first locate it. The sensor is located within the distributor. Next, unbolt the old sensor and replace with a new sensor.
There is a sensor on the bottom side of the air intake hose. You may have pulled the connector off. First place to check...
where is the oil sensor on a 97 gmc jimmy
where it the temp sensor sender located on a 2001 gmc Jimmy
2000 jimmy 4.3ltr v6. were is the o2 sensor bank 1, sensor 3
Broken rotor button.
The crankshaft sensor is by the crankshaft pullie (the balancer)
To test a crankshaft position sensor on a 1996 Jimmy Blazer, use a CKP sensor to test for voltage output. Compare the results to manufacturer specifications.
The torque converter might be going. but first check your fluid level.
Is your transmission fluid full?
where is the oxygen sensor in a 1995 gmc jimmy
The crank sensor is located in front of the oil pan underneath the car.