problems temp guage will go all the way down then all the way up then down, continues to do this, truck surges will not rev very high, however all this starts after a couple minutes, once truck has warmed up, before that it hesitates, but other wise drives normal, normal power and will rev normally. codes are p pcu, p 1693, then says done then p ecu, p0217, p 0237, p 0562, p 0575, p 0342, p 0117, p 0112, p 1488

 

P1693 is a companion code, p0217 is an overtemp code,P237 Map sensor malfunction, P0562 is Low Voltage, P0575 Cruise Control Malfunction. P0342 cam shaft sensor, P0117 Engine Coloant Cucuite. P0112 Intake air temperature circuit low. P1488 IS Auxillary Output 5 to low. Your problem can be one of your sensors is grounded go and check all of your sensors for bare wires. And check terminal conections, and look for any pushed out wires, bent, bare or corrosion.. hope this helps.

 

Start checking your; batteries, all your grounds, alternator, all your power cables, fuse boxes and wiring harnesses. Could also be an ecm problem.


P0217 Engine over temp condition
p0237 Turbocharger boost sensor a circuit low
p0562 System voltage low
p0575 Cruise control related malfunction
p0342 Camshaft position sensor circuit low input
p0117 Engine coolant temperature circuit low input
p0112 Intake air temp sensor low voltage
P1488 Auxiliary 5 Volt Supply Output Too Low (Chrysler, Jeep)

 

Seems like you and me have to much time on our hands... Well my excuse is Im waitin on injectors..

 

Did you get 'em?

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No hopeing they make it today, really need my truck but im gonna pull everything out today so if when they come in I can put it back together fairly quick.

 

well have cleaned and replaced all bad connections can find, have the correct voltage reading on the map sensor going in. any other ideas is this perhaps the apps sensor?

 

It could be. The truck still has the same issues after cleaning?

 

still having same problems, any way to check if that sensor has gone bad?

 

ECM/PCM is my thoughts