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1998 GMC code p1345

Did head job on 1998 K1500 sierra 4x4 now has code p1345.

Posted by Anonymous on

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6 Suggested Answers

6ya6ya
  • 2 Answers

SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017

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66 chrgr
  • 1011 Answers

SOURCE: I have a 1999 gmc 2500 van. P1345 code coming up

i have done this before on these --- the distributer is off 1 tooth.when you pulled out the distributer some times the slot that runs the oil pump moves.so when the distributer go back in it finds the slot but it will be off 1 tooth.

Posted on Feb 14, 2009

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mikesagenius
  • 24 Answers

SOURCE: 97 GMC Z71 4X4 Not Locking in

If it's a shift - on - the - fly 4wd, then call your local Chevy truck dealer. There was a recall on the Electronic 4wd on these trucks. (common problem). Try this just for the heck of it. With the truck stopped, put in 4hi/lo, then put it in reverse. Back up slightly, (about 5ft or so) and then put it in drive (or first in a manual trans) and go forward. Did it lock in? If it locks in but won't unlock, try backing up to unlock. Hope this helps.

Posted on Jul 26, 2009

  • 97 Answers

SOURCE: 1997 k1500 5.7l po303 misfire on cylider 3 ...

could be fuel injectors flooding cilinder fuelregulator not working right there is new up gradeinjector system

Posted on Feb 10, 2010

wilsodfarm
  • 986 Answers

SOURCE: Torque Specs for Head Bolts on 1997 GMC Sierra V8 5.0 Vortec?

.0L Torque Specs Belhousing to engine bolts 28-38 ft/lbs Camshaft sprocket bolt 40-45 ft/lbs Camshaft thrust plate to engine block bolts 108-144 in/lbs Crankshaft pulley to vibration damper bolts 35-50 ft/lbs Cylinder head bolts -1979-1992 --Step 1 55-65 ft/lbs --Step 2 65-72 ft/lbs -1993-up --Step 1 25-35 ft/lbs --Step 2 45-55 ft/lbs --Step 3 75-85 ft/lbs Differential shaft lock bolt 15-30 ft/lbs Driveshaft U-joint to pinion flange bolts 70-95 ft/lbs Exhaust manifold bolts 26-32 ft/lbs Flywheel mounting bolts 75-85 ft/lbs Front engine mount nuts 72-98 ft/lbs Intake manifold to head bolts --Step 1 96 in/lbs --Step 2 16ft/lbs --Step 3 23-25 ft/lbs Intake manifold (upper intake to lower) 12-18 ft/lbs Oil filter insert to engine block adapter bolt 20-30 ft/lbs Oil pan mounting bolts -1979 --Step 1 (Large bolts) 11-13 ft/lbs --Step 1 (Short bolts) 7-9 ft/lbs --Step 2 (Large Bolts) 15-17 ft/lbs --Step 2 (Short Bolts) 10-12 ft/lbs -1980 to 1987 9-11 ft/lbs -1988 to 1993 6-9 ft/lbs -1994-up 110-144 in/lbs Oil pickup tube to main bearing cap nut 22-32 ft/lbs Oil pickup tube to oil pump bolts -1979 to 1987 10-15 ft/lbs -1988-up 12-18 ft/lbs Oil pump mounting bolts 22-32 ft/lbs Pinion bearing preload 8-14 in/lbs Pressure plate to flywheel bolts 12-24 ft/lbs Rocker arm fulcrm bolts 18-25 ft/lbs Spark plugs 7-14 ft/lbs Timing chain cover bolts 12-18 ft/lbs Vibration damper to crackshaft bolt 110-130 ft/lbs Wheel lug nuts 85-105 ft/lbs

Posted on Mar 16, 2010

ftw1952
  • 10319 Answers

SOURCE: I have 1998 GMC K1500. The Park shift lock is not engaging.

a short in the wiring. you can eliminate the solenoid by keeping it off and pull the locking lever back and then secure it to stay unlocked

Posted on May 09, 2010

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Gmc sierra 1500 4x4


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I have a 93 gmc sierra 1500 4x4 every time i engage it into 4x4 it blows the 4x4 fuse


Try unplugging the front axle actuator (at the front differential). If the fuse stops blowing, you have a short inside the actuator.

Feb 02, 2013 | 1993 GMC Sierra K1500

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1998 gmc z71 surges in drive p1345


The P1345 means SGC (Cam Position) sensor circuit malfunction/crankshaft position-camshaft position correlation
P0300 means random/multiple cylinder misfire detected

mpps ecu chips

Aug 07, 2012 | 1998 GMC Sierra

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I hava a 1998 gmc with a 5.7 began skipping have


p1345 if the distribator has been taken out it will bring up this code lift it back up and turn it one tooth in either direction reset the code and check it p1404sounds like egr cheapest place too get one is rockauto.com

Apr 20, 2010 | 1998 GMC Sierra

1 Answer

Yes I have a 1998 GMC Sierra K1500 5.7 4x4 It


I don't really think it matters what state you live in they both have the same kind of weather, i know because i have lived in both, your problem is most likely fuel related, chanses are its either a fuel filter or fuel pump problem, either filter is pluging up or the pump is weak. Best thing to do is chg. the filter and do a pressure test on the pump

Dec 05, 2009 | 1998 GMC Sierra

1 Answer

I have recieved the following codes from 1998 GMC Sierra: P1345 and P0300b. I have tryed wvweything from full tuneup to feul filter to crank sensor, coil and distribtor. It is hesitating at park throttle....


DTC P1345 CAMSHAFT TO CRANKSHAFT POSITION CORRELATION MALFUNCTION CONDITIONS.CHECK CMP SENSOR MAKE SURE ITS NOT LOOSE CAUSING VARIATION IN THE SENSOR SIGNAL EXCESSIVE FREE PLAY IN THE TIMING CHAIN AND GEAR ASSEMBLY.INCORRECTLY INSTALLED DISTRIBUTOR 1 TOOTH OFF IN EITHER ADVANCE OR ****** POSITIONS. CODE PO300 MULTIPLE ENGINE MISFIRE DETECTED CONDITIONS.THIS CODE WILL SHOW UP WHEN CODE DTC P1345 SHOW UP.YOUR PROBLEMS IS IN THE CMP AND CKP SENSOR.THEY WILL CAUSE MISFIRE IF TIMING CHAIN WORN WITH A LOT OF SLACK IN IT.CAUSING TIMING CHAIN TO SLIP ONE GEAR THROWING OFF TIME.THIS PROBLEM IS A DEALERSHIP FIX.THEY CAN CHECK TO SEE IF TIMING CHAIN HAS SLIPPED.THEY ALSO CAN CHECK VARIATIONS FROM CMP SENSOR AND CKP SENSOR.

Nov 08, 2009 | 1998 GMC Sierra

1 Answer

Code 1345


P1345 - Crankshaft Position (CKP)-Camshaft Position (CMP) Correlation

Try adjusting the sensor. if this doesn't work, replace it asap.

Jun 24, 2009 | 1998 GMC Sierra

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