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Thread: Cam positioning sensor
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09-13-2010, 11:32 PM #1
- Join Date
- Apr 2007
- Location
- San Antonio, Texas
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- 34
- Posts
- 374
Pewter Metallic- 2002 Pontiac Trans AM
Cam positioning sensor
Car has not been cranking on first and even sometimes second turn, very embarassing ..ive tried everything that i know of from checking fuel pressure which is good..relays good.. battery, alternator, new starter..new plugs, wires, fuel system cleaner..ive narrowed it down to the cam positioning sensor which a member brought to my attention..he said that the sensor can throw the ignition cycle off because it doesnt know what stroke the engine ended on therefore what to start it on..makes sense to me just dont know about where the sensor is located, where to buy(part #) and if it would matters if it has a cam swap(hot cam)..someone please enlighten me w/ your opinion..thanks
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09-14-2010, 10:39 AM #2
Cam sensor is located right next to oil pressure switch behind the intake, ontop of the block.
Might e your crank position sensor too, it on the passenger side of the block above the starter
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09-14-2010, 12:28 PM #3
Have you plugged a scanner into the OBDII port?
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09-14-2010, 12:29 PM #4
- Join Date
- Aug 1999
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- Arizona
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- 51,363
Black- 383 Procharged & N20 Vert
I vote crank positioning sensor
Black 1999 Blown Convertible A4
Forged 383 | ATI D-1SC
NX MAF Kit | 222/226 .585 115
AS Stage II 6.0L FI Heads
Moser 9" | 3.70 | Wavetrac | 35 Spline | Vigilante 3600
548.0 RWHP - 563.8 RWTQ - 10# - D1
666.0 RWHP - 734.2 RWTQ - 125 Shot - P1
Black 2009 Escalade Hybrid 4WD
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09-14-2010, 07:07 PM #5
- Join Date
- Apr 2007
- Location
- San Antonio, Texas
- Age
- 34
- Posts
- 374
Pewter Metallic- 2002 Pontiac Trans AM
yea the cars been dynoed so im assuming thats why no codes pop up..plugged in w/ no light no codes came up as well..so leaning more towards cam positioning sensor or crank sensor??? symptoms kind of seem like both..it actually sounds like it doesnt know which stroke it is on when starting..
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09-28-2010, 06:36 PM #6
- Join Date
- Apr 2007
- Location
- San Antonio, Texas
- Age
- 34
- Posts
- 374
Pewter Metallic- 2002 Pontiac Trans AM
I replaced the crank positioning sensor this weekend didnt help at all..so its got to be the cam sensor?
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10-08-2010, 03:34 AM #7
claytonr Did it fix your car the cam position sensor??? Im having same problem??
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