Search found 6 matches

by RyanH
Sun Apr 02, 2017 5:33 am
Forum: Diagnostic discussion
Topic: Monitoring coolant pressure with a sensor
Replies: 13
Views: 9014

Re: Monitoring coolant pressure with a sensor

Generally, these engine doesn't develop a misfire on one cylinder due to a head gasket issue. I was just posting one with an over pressurizing system. Now with an EGR cooler things get a bit tricky. Here is a post of one that is venting but the cause is an oil cooler restricting coolant flow to the ...
by RyanH
Sat Apr 01, 2017 6:22 am
Forum: Diagnostic discussion
Topic: Monitoring coolant pressure with a sensor
Replies: 13
Views: 9014

Re: Monitoring coolant pressure with a sensor

Here is a capture of a 2004 Ford F-350 with a 6.0L Diesel with the common stretched head bolt issue these engine develop with a performance tune. Many of these will only show up when towing a heavy load for the customer. Coolant will vent from the degas bottle but most of the time they have no compl...
by RyanH
Fri Mar 31, 2017 6:46 am
Forum: Diagnostic discussion
Topic: Toyota Denso Piezo Injector wave forms
Replies: 8
Views: 4373

Re: Toyota Denso Piezo Injector wave forms

The piezo stack in an injector is more of a capacitor than a coil. A resistance test does not give an accurate reading for these injectors. The capacitance of an injector does change over it's lifetime. Siemens and Bosch both compensate for this change by varying the voltage to the injector. I am no...
by RyanH
Sun Jul 27, 2014 4:52 pm
Forum: Diagnostic discussion
Topic: 2004 Sprinter Limp Mode
Replies: 2
Views: 2380

Re: 2004 Sprinter Limp Mode

Hi there The DTC P2030 are related to the intake pressure sensor circuit according to my informations. You should check the basic specifications on this sensor - that is the circuit from the ECU to the intake pressure sensor. :wink: Regards Kim Interesting, this code comes up as an O2 sensor issue ...
by RyanH
Sat Jul 26, 2014 3:11 pm
Forum: Diagnostic discussion
Topic: 2004 Sprinter Limp Mode
Replies: 2
Views: 2380

2004 Sprinter Limp Mode

I have a 2004 Dodge Sprinter in my shop that will go into limp mode within a minute of driving. Codes 2026 and 2030 set for the O2 Sensor low. I have load tested the wires from the ECM to the sensor and a new sensor has been tried with no change to the issue. This is a Bosch wide band lambda sensor ...
by RyanH
Sun May 02, 2010 12:46 am
Forum: PicoDiagnostics software
Topic: Battery Test
Replies: 1
Views: 3039

Battery Test

I was wondering what the effect of a vehicle with two 12 volts batteries in parallel would be on the test results? This is a common scenario in North American diesel pickup trucks.