So when the car died on you did the engine come to an abrupt stop? did you try to turn it over after it died to start it back up?? Did you do a case learn after the cam install? Any tuning done to your .bin file? While that may be possible on a harmonic ballancer (what the ppl you know were talking about) I can almost assure you it is not your problem

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1999 Silver GTP~HP Tuners~XP cam~ZZP FS Intercooler~#4 FMHE~ZZP 78mm Billet Throttlebody~LQ4 MAF~Lucas 42.5's~ZZP SS Headers~2.8 MPS~PRJ fuel logs~Ported & Polished S/C~JMB fwi ~Built Tranny-3.29's-7/8's chain-Intense forged Input Shaft~

Running mid-high 12's

if it was hard to turn over, it wasn't the balancer causing that, if it turns free now do a compression test, then pull the heads and see what is broken on the cylinders with little or no compression

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Steve
'97 GTP VS cam, ZZP PCM, and not much else yet

when it dies timing starts to dip and and it will slowly die. case learn was done right after the install. i had it tuned before i put the cam in with higher timing tables and maf tunning.
the cylinders have compression i can feel it when i turn it over im thinking the starter was stuck on the flywheel some how cause it to lock up but i was able to break it loose by turning it over. car does run but very rough and doesnt stay on more then 3 to 4 mins. during all of this rpms are bouncing all over the place.

ill see if i cant get a scan tom if i still cant find the promblem

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CAI, Custom exhaust, HV3, Stage 2 TB, Intense pcm, Plog, not on the car ported and polished heads, and Intense stg 1 cam

i'd want to look at that cam and the headz if it's all over the place like that

Post up your ENTIRE mod list.Everything. Return timing tables to stock. Maf tune should have been done after the cam install. As well as timing tables wich would come after you got the fueling straight.Make a pid for LTFT+STFT and put that with a liniar scale of the maf in hertz. That will give you the custom histro that you need for your maf tune to get it started. Also post up EVERYTHING you have done to your .bin file.

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1999 Silver GTP~HP Tuners~XP cam~ZZP FS Intercooler~#4 FMHE~ZZP 78mm Billet Throttlebody~LQ4 MAF~Lucas 42.5's~ZZP SS Headers~2.8 MPS~PRJ fuel logs~Ported & Polished S/C~JMB fwi ~Built Tranny-3.29's-7/8's chain-Intense forged Input Shaft~

Running mid-high 12's

That may be normal due to ''other problems'' that we havet figured out yet. The pcm is going to command how much timing the engine needs to run. Unless it's been changed.Thats why i suggested to change the high and low octane tables back to stock. so we can over look that.

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1999 Silver GTP~HP Tuners~XP cam~ZZP FS Intercooler~#4 FMHE~ZZP 78mm Billet Throttlebody~LQ4 MAF~Lucas 42.5's~ZZP SS Headers~2.8 MPS~PRJ fuel logs~Ported & Polished S/C~JMB fwi ~Built Tranny-3.29's-7/8's chain-Intense forged Input Shaft~

Running mid-high 12's

bouncing all over the place...like what are we talking here? what rannge i mean? 800-1600? also when does the car die? at idle? and for the record. does the engine turn freely right now? If you dont know take the plugs out and turn it by hand just incase something is messed up internally.Exclude the starter-no way that would cause it.

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1999 Silver GTP~HP Tuners~XP cam~ZZP FS Intercooler~#4 FMHE~ZZP 78mm Billet Throttlebody~LQ4 MAF~Lucas 42.5's~ZZP SS Headers~2.8 MPS~PRJ fuel logs~Ported & Polished S/C~JMB fwi ~Built Tranny-3.29's-7/8's chain-Intense forged Input Shaft~

Running mid-high 12's

heres the three codes it did set, car is in the garage and is going to be torn down to find the promblem.

[PCM] P0171 - Fuel Trim System Lean Bank 1 (Old) (Immature)
[PCM] P0620 - Generator Control Circuit Malfunction (History) (Immature)
[PCM] P1133 - HO2S Insufficient Switching Bank 1 Sensor 1 (Old) (Current) (Immature)

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CAI, Custom exhaust, HV3, Stage 2 TB, Intense pcm, Plog, not on the car ported and polished heads, and Intense stg 1 cam

P0171- Look and listen for any vacume leaks-If none present you need to add fuel via the maf table because you are to lean.

P1133- It is possible that your getting this dtc because of your lean condition. If not you may need a new o2 sensor. If you didnt have this code before then i would think it would be because of the lean condition.


Again flash the pcm with the 100% stock .bin file. start from there. If you dont have a stock .bin file anymore go to the repository on hpt and get one. Once you do that make a ltft+stft histrogram and plot against MAF output frequency in hertz. In other words do a maf tune...drive for as long as you can.flash and repeate untill the FT's are locking in at 0 at PT and FT.And you probably shouldnt go over 7500 hrtz without a wide band.Just adjust idle and PT by doing it this way.Then above 7500 hertz (or what ever wot is for you) just watch your o2's and adjust accordingly via the maf table.Either increasing it for more fuel or vise versa.You need to get your fueling straight.Both WOT and PT. Then work on timing. then trasmission shift points ect.

As far as the other code im not sure what that is...maybe someone else can anwser. In tho older cars they used to call the alternator by the term generator.

Again im almost certain you have a vacume leak.The smallest on can make it throw a lean condition code.Chack everywhere...vac lines...lim...everything.

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1999 Silver GTP~HP Tuners~XP cam~ZZP FS Intercooler~#4 FMHE~ZZP 78mm Billet Throttlebody~LQ4 MAF~Lucas 42.5's~ZZP SS Headers~2.8 MPS~PRJ fuel logs~Ported & Polished S/C~JMB fwi ~Built Tranny-3.29's-7/8's chain-Intense forged Input Shaft~

Running mid-high 12's

What are your FT's doing when you have the scanner up and running? At idle at PT. Avacume leak could also make the car stall and hard to start...not turn over...depending on the size of the leak.

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1999 Silver GTP~HP Tuners~XP cam~ZZP FS Intercooler~#4 FMHE~ZZP 78mm Billet Throttlebody~LQ4 MAF~Lucas 42.5's~ZZP SS Headers~2.8 MPS~PRJ fuel logs~Ported & Polished S/C~JMB fwi ~Built Tranny-3.29's-7/8's chain-Intense forged Input Shaft~

Running mid-high 12's