Multiple misfire, new car to me!
#1
Registered User
Thread Starter
Multiple misfire, new car to me!
Hey everyone,
I just recently bought a 2003 350z from a guy I know for $500.
The car is really clean and has an issue with it. that is the only down fall..
So, one snowy day the previous owner was driving it whenever he ran over a clump of ice on the road and apparently some wires were hanging down that were connected to the crankshaft position sensor and they were ripped out. The guy took it to the shop and they put in the new sensor and cranked it up. then supposedly when it started the cat imploded or something and pieces of it came out of the exhaust. They told the previous owner that the engine is screwed.
what do you guys think? It is missing on cylinder 4 & 6. I've replaced coil packs and spark plugs with no improvement. just looking to see what you guys think before I buy a used motor off ebay and drop her in.
Thanks!
-Justin
I just recently bought a 2003 350z from a guy I know for $500.
The car is really clean and has an issue with it. that is the only down fall..
So, one snowy day the previous owner was driving it whenever he ran over a clump of ice on the road and apparently some wires were hanging down that were connected to the crankshaft position sensor and they were ripped out. The guy took it to the shop and they put in the new sensor and cranked it up. then supposedly when it started the cat imploded or something and pieces of it came out of the exhaust. They told the previous owner that the engine is screwed.
what do you guys think? It is missing on cylinder 4 & 6. I've replaced coil packs and spark plugs with no improvement. just looking to see what you guys think before I buy a used motor off ebay and drop her in.
Thanks!
-Justin
The following users liked this post:
Justin Pruett (06-14-2016)
The following users liked this post:
iideadeyeii (06-14-2016)
#4
Registered User
Thread Starter
Ahh yes, spoon feeding would be great if it was helpful advice but the multiple misfire happened while it was at the shop and the cat supposedly broke into pieces. Changing the coil packs did nothing but I will triple check just to be sure even though I'm sure they are right
The following users liked this post:
Justin Pruett (06-15-2016)
#7
Registered User
Thread Starter
I took it to a mechanic and had them run a diagnostic check on it last week and the only thing he told me was that it seemed like it was dumping to much fuel into cylinders 4 and 6.
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#8
Registered User
Thread Starter
Okay, so I just talked to the previous owner and he said that it was at the shop getting the 2 camshaft sensors replaced and that is when it started to miss and the cat messed up.
#9
General & Tech Moderator
MY350Z.COM
MY350Z.COM
I had a car that lost insulation on an injector harness once. Injector stuck open, gas coming out exhaust pipe, fried the ECU.
If wired correctly mb check insulation and grounds, gl.
If wired correctly mb check insulation and grounds, gl.