Always turns over for ever before starting. Agitates the heck out of me, as dealer cant solve problem. Also, interior heater just doesnt pump the heat like it use to. Almost like there is a clogged filter somewhere. Help?!?
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YEP IF YOU SEE SECURITY LIGHT FLASHING YOUR CAR IS IN THEFT SECURITY MODE WHICH WILL SHUT DOWN FUEL SYSTEM. HAVE VECHICLE CODE SCAN PROBLEM IN THE BCM MODULE.IT WILL TURN OFF FUEL IF IGNITION KEY HAS IN CORRECT RESISTANCE OR KEY WORN OUT.MAKE SURE YOU HAVE FACTORY IGNITION KEYS.DONT GO TO HARD WARE STORES GET EXTRA KEYS MADE.BECAUSE IF BCM ECM AND IMMOBILIZER CANT READ KEY CODE RESISTANCE WHICH NOT IN A REGULAR KEY IT WILL SHUT DOWN FUEL SYSTEM AND CAR WILL GO IN THEFT SECURITY MODE.YOUR PROBLEM IS DEALERSHIP FIX.
to reset engine warning light simply turn key on without starting slowly depress gas pedal to floor 3 times in about 5seconds wait 15sec then shut off key...this is in the owners manual under engine check warning light.but also may want to have someone plug a obd2 code reader into the plug under center of dash under steerind wheel....code readers cost around $100 at canadian tire or other such part stores..this reader will tell you what trouble codes if any are present in your vehicles computer.hope this helps..
check if your thermostate is working... is it having troubles getting to operating tempurature?
check your heater lines that run to the heater core and see if there is heat getting to and from the heater core if the thermostat is running properly...
if you have heat running to and from the heater core then check and make sure your heater controls in the van are switching between defrost and heat and floor properly
could be a heater box problem ....
when i had the same problem with my venture it turned out to be a plugged heater core and i replaced it
If heat gauge reads normal, stays in the middle, then you do not need to mes up with the thermostat. I own a 2000 Chevy Venture and changing the thermostat was not fan. It may be the Temperature Control Module, which you can buy for $45 and replace without problem, or may be an partially obstructed heating core. The GM Dex-Cool antifreeze, the read one, has additives, but if you do not flush the radiator every 2 or 3 years, can result in partially clogged heater core. I have done on my car twice till now, and replaced with green Prestone, on my own risk. Hope this will help. If need more information let me know. A have the Haynes manual for Chevy Venture 2000, and I am a car dealer.
So are the fuses getting power, they should be labeled. like tail or ctsy, or inst? The dash lights are usually 5 amps. You will need to get a wiring diagram to ck it out. but you may need to start by looking at the headlamp switch. I cant believe any GM dealer could not help you. Forget anyone from a auto parts store being any help. I can ck tomorrow when at work for a diagram.
I would check to make sure the battery cables are free of corrosion, tight, and dry. The next step would be to test the battery (either with a multimeter, or an auto parts store can usually test it for free). Other options could be the starter connections could be loose/corroded, the ground wiring is loose or corroded, or there is a short in the wiring. Always remember to make sure you disconnect the battery when working with any electrical systems on the car. Negative first, the positive.