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Good morning all,
Subject engine recently had block replaced for a variety of reasons and I'm concerned the distributor installation might be off. The attached curve is of engine rpm's, check engine light, knock retard and spark advance. As the engine is first started and running, the spark...
Good afternoon. For the subject temperature sensor, I'm looking for information on expected Hot & Cold resistance (ohms) data. I'd like to be able to test these via an objective VOM measurement. If these sensors are simply on/off switches, please let me know. Thanks all!
The engine...
Thanks Fun Times ... For this engine, It looks like power to J2-19 (Pink/White wire) comes from Ignition Relay #87 once the ignition key has been turned on and 30 to 87 'makes' at the relay. Testing for Voltage at J2-19 with the harness disconnected and key on should be easy enough. This...
So, as a follow up to earlier action items, here are a few updates from some addition testing today:
1.) Tachometer read 100-150 rpm's while cranking
2.) Resistance measured from the fuel pump relay terminal #85 to ground was a.) infinite with key off and b.) 0.420 megohms with key on. I find...
Very good. I'll post those results after the next set of tests. I'm assuming there is value in going through the 5 Volt Reference Circuit Out of Range and the Depspower Circuit Out of Range diagnostics procedures for DTC 81 unless you think otherwise.
On the very rare occasion and only after...
Thank you for your response. We will need to confirm the tach readings next time a start is attempted. Very good to know if we do get the rpm's then the crankshaft & camshaft sensors have been eliminated.
I do intend to do some additional testing on the 5 Volt Reference Circuit Out of Range...
Good morning ... I'm hoping to receive input on this issue from the more experienced personnel within the Forum. Thank you to all in advance. I've read so many posts on various forums that simply ended without conclusion, one thing I will commit to is closing the loop on whatever the solution...
