Question about 1988 Pontiac Fiero

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Fiero exsust i was changing my caletic converter for a new 1 and i found these tiny rust color pellets in my exost system and when i split 1 it white in side. dose any 1 know what they r and caused them

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  • sushifreak99
    sushifreak99 May 06, 2013

    *what caused the*

  • sushifreak99
    sushifreak99 May 06, 2013

    them*

  • Jonah Oneal May 07, 2013

    catalytic converter has aluminum oxide beads or pellets.the pellets coated mixture platinum and palladium very poison if injested.

  • Jonah Oneal May 07, 2013

    white stuff aluminum oxide from the beads.

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  • Master
  • 3,799 Answers

It is the contents of the converter. DO NOT PUT IN MOUTH, most of the contents of the converter are very poisonous.

Posted on May 06, 2013

Testimonial: "i thout they would tasted like purple fuzzy clouds "

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1 Answer

Chip stop working


Chip stop working ? I gather your Caddy has VATS - vehicle anti theft system , with the resistor pellet on the side of the key . It's not the pellet or the key that's bad , inside the lock cylinder there are contacts that read the resistance of the pellet . Most of the time the wires coming out of the ignition lock cylinder break . If you look under the dash near the back of ignition lock cylinder ,at the steering column you should see two wires inside a orange or a yellow sheathing .The wire colors are white , now if you take a ohm meter you can check the resistance of the pellet , stick the key into the lock an turn it to start ,check resistance at those two wires an see if they match the reading you got from the pellet ! If you get no reading one of those wires are broke , at this point you can spend a couple of hundred dollars for a new one or you can spend 50 cents or a dollar at radio shack for a resistor of the same value as the pellet an solder into the wires .

Now if it's not the lock cylinder wires you have other bigger problems , like the anti-theft module .Well then your out of luck because you'll have to take to the dealer or an ASE certified repair shop that can fix this problem .

Go on youtube an check out video on vats bypass , they will show you what I told you about .

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If this has happened...youd need a new lock cylinder.
If you want a cheaper fix...there isnt an easy one, however at the base of the steering column where the wires come down from the ignition and turn signal, one bulky wire is wrapped in bright orange cloth insulation and heads off alone upwards in the dash, That orange wire wrap contains the 2 tiny white wires that measure your key resistance and tell the BCM its OK to start the car, You COULD (Not saying you should!) take your ignition key to any radio shack...ask them to measure the resistance if the pellet in the key. one side of the key to the other,. Then have them sell you a resistor that totals the same resistance (plus or minus 10 or 20 is usually fine) and then install that new matched resistor between the 2 white wires and the car should start right back up because it will think the key is inserted and the wires are good again,.Ive even seen a really hungry tech take the spare key, cut the 2 white wires under the dash...TAPE one to each side of the key pellet, then wrap and ziptie the wires with backup key permanently connected to the 2 white wires back together and leave it like that.
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87-88 fiero runs but only tops out at about 30 after i get up to speed which takes a good block or two slowly. smokes a little but i think its because it has sat for 6 plus years. any tests i can run or...


I had the same problem, maybe 25MPH top speed and difficult to start. Changed out the old gas, installed fresh high octane-problem was worse.
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1 Answer

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First thing to do is read the system and post any codes that it is giving. That aside this vehicle uses the simple Passkey2 system. There is a pellet in the key that is actually a resistor. That pellet contacts with a circuit in the ignition key cylinder and is read by the BCM. You say you cleaned it up, was it giving you problems before this and you felt like after you cleaned it up made it work? If you have a simple multimeter, the first thing to do is to put it on resistance(OHMS) and place the leads on both sides of the pellet. Place it on the highest scale if it is not an auto ranging meter. You should get some type of reading other than zero if it is good. Be sure to place it on something flat or make sure that your fingers aren't touching the pellet as you can get a false reading. If it gives a reading then visually inspect the pellet in the key. Is it worn, if you hold it up sideways are both sides equally sticking out of the key. If not, it will intermittently fail. Push on the pellet to see if you can move it out of the key. If it moves, its time to get a new key and relearn the system. If it doesn't move your cylinder may be worn. Wiggle the key, is there a lot of play. OH BTW if you can pull the key out of the ignition with the ignition on, don't waste time just replace the key and cylinder. There is of course an inexpensive method to override the Passkey2 system, by simply replacing the pellet in the ignition with a resistor within 15%+- of the value read by the meter. This is accomplished by splicing that resistor parallel across the wires coming from the ignition cylinder for the pellet thats purple/white and white//black. There are other things you can check as well such as the start inhibit circuit, but that is outside of the scope of my response without some additional info

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