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1996 Geo Tracker hesitation upon quick acceleration
#40
Completed distributor plug rebuild and with a fully charged battery, this is what happened:

1) First try, cranking and no start.
2) Gauge at fuel rail shows above 30 psi. so checked for spark. Spark existent but seemed weak and color was yellowish.
3) Took off cap and replaced rotor with a spare I had laying around.
4) Tried starting again, same symptoms.
5) Hooked timing light to see if maybe I timed the distributor wrong as I was sure that cam and crank were timed properly. Strobe light from gun did not turn on. I suspected a bad timing gun maybe so I tested on my other car and it worked. At this point I was sure there is something wrong with the spark. (maybe weak?)
6) Replaced distributor with an old spare one I bought on ebay last year. The problem is that this distributor for whatever reason does not land like the one that came in the Tracker does. Still tried it the closest I could with the middle of the rotor landing at 1 o'clock.
7) Tried starting car again. Vroooom! started right up. However ignition timing sounded wrong.
8) Took off distributor and tried landing it more towards 12 o'clock, started car again and engine ran better.
9) Waited for car to warm up and settle down to around 800 rpm, freezed the jumper and pointed the gun at the crank pulley. Time looks waaaay off, I roughly calculate strobe light comes on with notch on crank pulley is around 2 o'clock.
10) Tried moving distributor to make light land closer to 0 degrees on timing belt cover scale and engine became veeery weak so for now I left it where back to where it was on step 9.
11) Drove it around the block (with paper clip still on timing freeze jumper, I forgot to take it out) and DTC P1530 stored (not pending, actually stored)

Markings and appearance on spare distributor seem the same as the original distributor. I need guidance here please. Did P1530 get stored because I left the jumper on while driving it? Engine power feels normal, no hesitations or loss of power, grant it, I only drove it around the block once. Is there any way to get the original distributor working? I cannot spend $200 on a new distributor Sad


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1996 Geo Tracker, CAMI, 16 valve, 5sp, 4x4, soft top, 2 door, no a/c
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RE: 1996 Geo Tracker hesitation upon quick acceleration - by gorkyb - 02-28-2014, 12:51 PM

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