Need Help Now

[bowtie2bimmer]

As of this am my car won't start... No spark AND no fuel. Main fuse is fine as well as all the other fuel fuses. I tried swapping main relays and still no go. W hat else? ECU??? It was fine yesterday. We did the timing belt job yesterday but drove it like 20 miles with no issue. I think they are unrelated but fig i'd let ya'll know. Need help asap

[bowtie2bimmer]

batt is fine... motor sins but doesnt bust off. I've already diagnosed no spark and no fuel... and yes the pump whirs

[bowtie2bimmer]

are ecu's from all the 325i's interchangeable? I have a buddy with an 89 (mines 87), Could I use his for testing???

[bowtie2bimmer]

ones 525, ones 380...

[akorcovelos]

No fuel or spark = no cps connectivity. Either the plug came loose, wire grounded out, or sensor went bad. Make sure the bracket that holds it to the block is tight, and that the bolts that hold the trigger wheel on are tightened all the way.

Edit: just saw you have an early model. If you have the 2 sensors in the bell housing instead of the cps check the wiring/plugs for those, and check that the trigger pin is still in the fly wheel.

[mikeedler]

We did the timing belt job yesterday

I would bet the wire from the crank position sensor wasn't put in correctly and the water pump pulley rubbed it, and now the 2 wires are grounding out.

[bowtie2bimmer]

akorcovelos & mikeedler

^ You rock!!! this was it. Musta not been clipped all the way as the plug was disconnected!!! Thanks!!!!

[akorcovelos]

Your welcome, gotta love the easy fixes. :)

[nando]

ones 525, ones 380...

same thing.

motronic 1.3 = motronic 1.3

173/380/525 etc are all functionally identical.

[Xat1cZ]

Put . The . Gas . In . The . Tank !!!!!!

[bowtie2bimmer]

Fuck its doing it again... I'm stuck at work now! The little wire i plugged in last time wasnt the cps but another one... It had a round single pin connector the goes from the passenger side over and clips into the loom that atached to the water pump. What is that connector?

I fig maybe the pins were going bad so i cut the wires and twisted them together to no avail...

Help!!!

[bowtie2bimmer]

anyone??? how can i test my cps?

[FLG]

2 pins on the CPS (forgot which ones but one outside and the middle) should ohm between 500-800 if i remember correctly.

Make sure the wire didnt rub on the fan pulley, had that happen to me when i first bought the car. I thank god the previous owner did a crappy stereo install and i was able to remove speaker wire and re-wire the cps sensor to get me home.

Also make sure the main and fuel pump relays didnt pop out, that happened to me as well.

[e30vert]

Here is the article on diagnosis of the CPS from Pelican Auto Parts

http://www.pelicanparts.com/bmw/tech...aft-Sensor.htm

[5Toes]

CPS.. but I am sure it has already been mentioned