Question about 2002 Pontiac Grand Am
We have a Pontiac Grand Am 2002 with a 2.2 Ecco-tech engine. A few months ago it started having issues. The Speedometer started bouncing, car wouldn't shift out of 1st, and then the check engine light came on, and the trac off light. Then speedometer didn't work at all, the car didn't jerk anymore, but it did take a few blocks to shift. One night it went 30 miles before shifting. In the middle of all this, our mechanic replaced lower speed sensor, but the whole thing started over again. He replaced the sensor again and recommended if the lights come on again, to do a trans fluid flush, replace fluid and filter. Well after this it started again so he said to save some money to replace the two wires to the sensor. We don't have the money to keep playing guessing games. Could the plug be bad that goes to the sensor? Any ideas?
Guessing is a mugs game especially when there is a an ECM program that stores and reports all faults
all the mechanic should be doing is reading the fault codes and fixing what is found
you can go to places like auto spares shops and have the codes read free so that you know what needs fixing
Posted on Mar 13, 2017
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Posted on Jan 02, 2017
If wiggling the wires cured the code, then one of the wires is broken inside the insulation. Pull on each wire one at a time. look for the colored insulation to stretch, this will be the broken wire. For the other car that wont rev up, this is a common when the catalytic concverter is plugged up. This will also cause MAF codes, and in turn, TRAC OFF light.
Posted on Oct 17, 2008
SOURCE: trac off light
I fixed my car. It cost me though. The problem was the coli pack. My car was misfiring, my mechanic checked the injectors and the cylinders, thankfully neither of those were the problem. It was the coil pack that went bad and caused it to misfire
Posted on Jan 01, 2009
i agree with what white is saying also if you are still having a problem with it you can take it to mike's transmission service on rt 57 in ny. up the street from longly brothers. also i was wondering if you put enough fluid for the torque converter to shift.you have to check this while it is running.
Posted on Jul 13, 2009
Is the electric fuel pump in the gas tank working ? turn the key to start positon and listen for a small humming noise you may have to have someone get under car to listen if it is humming then it`s working if not first check for a reset button possible in trunk be sure manual to find it if it has one and check fuse in fuse box if all is good there then it might be the fuel pressure regulator
Posted on Aug 28, 2009
Testimonial: "Thx for trying to help with my car problems. I should have mentioned that I already checked the fuel pump. Your ideas are good ones!"
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