HELP DTC p1345

souf star · **Posted:** Mon Mar 26, 2007 11:38 pm

I have check engine code DTC Code P1345 looked on the internet and all I can find is
CMP sensor
CKP sensor
timing chain
Distributor cap and rotor, hold down bolt

does anyone know how to test the sensors or fix the problem?

1fastlx · **Posted:** Tue Mar 27, 2007 7:45 am

looks like the timing is jumping around or the ecm thinks so. what r we working on mileage etc.? there really isn't a good way to check those sensors without and o-scope.

98crewcab · **Posted:** Wed Mar 28, 2007 11:18 pm

the errors is when the DTC sees that the CMP and CKP (camshaft and crank shaft) sensors are not in sync with each other.

how many miles on the truck?, the error refers to a
1 loose CMP (camshaft position sensor) sensor causing a variance in the sensor signal.
2 excessive free play in the timing chain and gear
3 incorrect installed distributor-1 tooth off
4 loose dist rotor
5 broken ,worn wire connections

if you can give more info....

98crewcab · **Posted:** Sun Apr 01, 2007 6:40 pm

did you find the problem?
we like to know what is was

souf star · **Posted:** Mon Apr 02, 2007 12:42 pm

No havent found it yet the truck is sitting around 160k

souf star · **Posted:** Sun Apr 15, 2007 7:14 pm

well this is how it goes I got drunk and had a wild hair in my A$$ about tha CEL so I popped the hood and started takin sh!t apart and when I got the distributor out right away <-(2 beers later) notice that the gear looked like this
V V V V V V V V -----------------------------------------------V V V V V V V V V

I think that after about 2-3 more 30packs I will get to the bottom of the P1345

btw from what I can tell the cam is ok........

98crewcab · **Posted:** Sun Apr 15, 2007 9:09 pm

I replaced one of those gears years ago on my 74 fleetside, (back in the 80s.)
I made a mistake and put the dam gear upside down :shock:

i think the beers did it.
well to make a long story short, the dist wouldnt drop back in all the way,was about 1/2 inch from flush...found it after looking at another dist..

souf star · **Posted:** Sun Apr 15, 2007 9:31 pm

LOL yeah I'll set it up first before I start to drink

pig rig · **Posted:** Sun Apr 15, 2007 10:22 pm

just an FYI drinking and working on trucks can cost you a lot of money but the end resalt can be way cooler then intended

look at my garage theres a front end rebuild that cost me 8 grand and its still not done :lol:

and now its in pieces agine

bdydrped · **Posted:** Mon Apr 16, 2007 10:36 am

pig rig wrote:

just an FYI drinking and working on trucks can cost you a lot of money but the end resalt can be way cooler then intended

how you think "minitruckin" got started LOL

Doordragr · **Posted:** Mon Apr 16, 2007 4:11 pm

bdydrped wrote:

pig rig wrote:

just an FYI drinking and working on trucks can cost you a lot of money but the end resalt can be way cooler then intended

how you think "minitruckin" got started LOL

The sound of a cold can of beer being opened is heard, the crowd goes silent, then a man with a fresh beer emerges from the back yelling "hey! watch this! I'm gonna go drag my gas tank" .....

pig rig · **Posted:** Mon Apr 16, 2007 11:43 pm

Doordragr wrote:

bdydrped wrote:

pig rig wrote:

just an FYI drinking and working on trucks can cost you a lot of money but the end resalt can be way cooler then intended

how you think "minitruckin" got started LOL

The sound of a cold can of beer being opened is heard, the crowd goes silent, then a man with a fresh beer emerges from the back yelling "hey! watch this! I'm gonna go drag my gas tank" .....

^^^ thats better then my thought of^^^^^^

hey I got a new keg of beer and this datsun pick up let's have a few beers and see what happens

bdydrped · **Posted:** Tue Apr 17, 2007 9:58 am

lmao at both of yall

souf star · **Posted:** Tue Apr 17, 2007 5:51 pm

and only after a case of pregamming and about an hr later and a few more beers 7 military smoke breaks(I dont smoke but I have been trained to take them) I am CEL free and have no idea how I got the damn thing timed but it is and running great
I would like to give a special thanks to GMC, mac and snap-on tools, and most importantly Anheuser-busch..

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