How can I resolve what the scanner reads on a BMW 2001 325I 8F A8 E4 E3 F2 EF
A8 is thermostat needs replacement, i just had mine done at Peter pan dealership
SOURCE: check engine light comes on but car runs great 2002 bmw 325i and
The check engine light could be any number of things and the only way to find out is have the codes scanned. The brake light issue is common on E46 3 series. It is an issue were the brown ground wire that goes into the lamp housing melts at the connector causing a loose ground connection. The connector needs to be replaced and also add additional grounding wires to prevent further issues. And for fuel additives either use the cheveron techron, or the bmw fuel additive(the bmw stuff is the exact same thing, so just use which ever is cheaper).
SOURCE: Check engine light on 1996 328i BMW, scanner codes P1421 & P1423
go to the link below, type in the code and the difinition of that code comes up in a list as defined by each car maker.
http://www.aboutautomobile.com/DTC/P1494
SOURCE: check engine light 2003 BMW 325i
both codes are for lean mixture ... bank one and bank two .....that usually means a vacuum leak in the air intake system ... there is a Y shapped boot off the throttle body that fails frequently .. look for a hole or tear or general deterioration ... there is a second boot after the MAF (mass air flow) sensor, that is another possibility ... any off the vacuum hoses you can see under the fancy cover plate could be leaking .. there is a "crank case breather diaphram" that can do the same ... you can test that by removing the oil filler cap slowly (running) ..there should be a sllight vacuum release ... if its a big vacuum whoosh and maybe engine stumbling then suspect the crank case breather diaphram ... finally you could have a bad MAF sensor but more likely the vacuum leak ... running with a lean mixture can eventually damage valves and valve seats ... i use a small rubber hose to my ear to find vacuum leaks (stethoscope) ...
SOURCE: check engine light bmw 325i code 340
Code PO340 "Camshaft Position Sensor Circuit Malfunction". Now that does not mean that if you simply replace the sensor your problem will be solved. It can be simply loose, cut, or corroded wiring. It can also be something entirely different. This is where diagnostic skills come in.
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I had a water pump go bad And change it out
And car would over heat and change that and
Still was heating up so I put the old one back
In and bleed the air and then things where great then the check eng light came on and
The same code came up after a week of driving it coolant is fine and a codes came up
For a 02 and evp systemhttps://www.bestadvisor.com/portable-dvd...
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