New To Forum And Have Some Questions.

glsron · May 15, 2013

Illuminator said:
Think I had the same issue a few years ago, and replaced IAC....now it started doing it again, is that all the longer these things are good for?

Im not sure.... I hope it last longer then a few years...

jcgafford · May 15, 2013

glsron said:
I cleaned the iac and got the idle back. I think I'm having computer problems engine light stays on it's pig rich burns my eye burn
how do I pull the codes out what do I need as far as tools? Help please!!

let me take a stab at the running rich eye burning thing. bet you dont have cats on the exhaust do you? ( page 5 post 87, http://www.stangnet.com/mustang-forums/threads/new-to-forum-help-going-back-to-stock.851329/page-5) as for the cel, dump the codes and post them.

glsron · May 17, 2013

The code was for tps. Code 63 ..suppose to have 5 volts to it I can't get anything I check it with volt meter and don't get anything? Also to adjust the tps it should read 1.0 volts I got nothing there but yet car run good not to potential... Any ideas on what I should do.. And yes no cats

glsron · May 17, 2013

I'm also Michigan I'm downriver......

jcgafford · May 17, 2013

glsron said:
The code was for tps. Code 63 ..suppose to have 5 volts to it I can't get anything I check it with volt meter and don't get anything? Also to adjust the tps it should read 1.0 volts I got nothing there but yet car run good not to potential... Any ideas on what I should do.. And yes no cats

sounds like the tps is smoked. autozone carries 2 different ones. i believe i had to cross match them with a parts number from rockauto.com before i could be sure which one was correct. only thing to fix that stink is cats. new cats for new cars won't work so be careful if you go looking. i found original cats pulled years ago for mine. craigslist has a few out there for sale. and where at downriver? i grew up in Dearborn.

glsron · May 18, 2013

Tps is brand new.....no power to egr valve either.....I don't know....I'm in Lincoln park.....

jcgafford · May 18, 2013

glsron said:
Tps is brand new.....no power to egr valve either.....I don't know....I'm in Lincoln park.....

getting a reading at the tps is supposed to be done by using one of the wires as a negative and the other to test your voltage. i could never get that to work. always had to use the negative battery as the negative.

mikestang63 · May 18, 2013

too bad you are so far away> i have the stock cats and mid pipe from my 90 which I pulled off 2 months ago.

jcgafford · May 18, 2013

mikestang63 said:
too bad you are so far away> i have the stock cats and mid pipe from my 90 which I pulled off 2 months ago.

i found one already. keep it. the horsepower gain is not much and the fuel economy will suffer with them off. that plus the smell and i bet it is not long before you bolt them back on.

mikestang63 · May 19, 2013

jcgafford said:
i found one already. keep it. the horsepower gain is not much and the fuel economy will suffer with them off. that plus the smell and i bet it is not long before you bolt them back on.

Where did you hear that? Is this from personal experience or just what you read on internet message boards. I've run several mustangs and other cars without smog equipment. Uh no smell here and my mpg went up from 16 to 18 mpg in town after taking them off . You can also feel a SOTP difference. Not going to put the cats back on anytime soon.

Should I go and install a smog pump on my 67 fastback with a 428 motor so I can get better mpg and get rid of the non existent fuel smell too?

jcgafford · May 19, 2013

mikestang63 said:
Where did you hear that? Is this from personal experience or just what you read on internet message boards. I've run several mustangs and other cars without smog equipment. Uh no smell here and my mpg went up from 16 to 18 mpg in town after taking them off . You can also feel a SOTP difference. Not going to put the cats back on anytime soon.

Should I go and install a smog pump on my 67 fastback with a 428 motor so I can get better mpg and get rid of the non existent fuel smell too?

pretty straight forward. you run what you want to. if you built it to run without cats so be it. these engines were built with cats in mind. while the hp and mpg claim is an argument where ever you look the chems being dumped out the tail pipe are well documented. and i doubt your 67 was built with cats seeing as they were not mandated till 75. also, my dads 64 impala does not have the exhaust stink and has no cats, but this 1992 mustang does and cats fixed it. i can actually run it in my driveway now and not smell horrible for the rest of the day.

A catalytic converter is a vehicle emissions control device which converts toxic byproducts of combustion in the exhaust of an internal combustion engine to less toxic substances by way of catalysed chemical reactions. The specific reactions vary with the type of catalyst installed. Most present-day vehicles that run on gasoline are fitted with a “three way” converter, so named because it converts the three main pollutants in automobile exhaust:carbon monoxide, unburned hydrocarbon and oxides of nitrogen. The first two undergo catalytic combustion and the last is reduced back to nitrogen.[1]
The first widespread introduction of catalytic converters was in the United States market, where 1975 model year gasoline-powered automobiles were so equipped to comply with tightening U.S. Environmental Protection Agency regulations on automobile exhaust emissions.[2][3][4][5] These were “two-way” converters which combined carbon monoxide (CO) and unburned hydrocarbons (HC) to produce carbon dioxide (CO2) and water (H2O). Two-way catalytic converters of this type are now considered obsolete, having been supplanted except on lean burn engines by “three-way” converters which also reduce oxides of nitrogen (NOx).[2]
Catalytic converters are still most commonly used in exhaust systems in automobiles, but are also used on generator sets, forklifts, mining equipment,trucks, buses, locomotives, motorcycles, airplanes and other engine-fitted devices. They are also used on some wood stoves to control emissions.[6]This is usually in response to government regulation, either through direct environmental regulation or through health and safety regulations.
Catalytic oxidization is also used, but for the purpose of safe, flameless generation of heat rather than destruction of pollutants, in catalytic heaters.

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