Crankcase (pcv) Problems of Jeep Compass

On March 4, while vehicle was in warm-up phase at home, in idle, a sharp snap was heard (later discovered was the electronic throttle body), then vehicle set two codes (p0171, p2173), and immediately went into limp mode (traction control off, throttle body reduced power, abs for slowing vehicle if being driven above slower speeds for limp mode). We were on a schedule, so vehicle was shut off immediately and we used our other vehicle for transport. Both codes were researched to determine best repair methods. Since the p0171 was a repeat code, and the p2173 was an unfamiliar sae code not normally used on my previous vehicles, a complete disassembly of the intake was warranted. I am mechanically competent due to training and experience and know my own limits of competency and tools for repair. Here are the basics for reference of what was found. 1. The pcv valve (multiaire) had failed at the internal pintle, and was allowing crankcase air/oil to enter the intake at too high a volume. It was replaced. The map sensor set the p2173 code, then failed due to oil intrusion and was replaced. The rapid snapping of the throttle body under pressure uncalibrated the internal throttle position sensors, and could not maintain proper position was replaced. The intake manifold (newer design for the 2. 0l i4 without the flapper controls just guide veins for the intake air) main gasket had shrunk in the plastic intake seat channel and was allowing outside air (p0171) to seep past the gasket on the lower lip of the gasket, and was also not sealing between the cylinders (gases were transferring between the cylinders). The throttle body gasket was pristine. During repair, pressure tested intake for leaks, and tubes and lines for cracks. Reading sae code p2173 was determined that code and subsequent limp mode was designed to prevent damage to the plastic intake manifold. It worked.

See all problems of the 2014 Jeep Compass 🔎.

Pcv valve is failing. Car is burning oil and causing low oil pressure. Car will state low oil pressure with the light coming up on the dash for low oil pressure notification. Car will power down and engage parking brake and die. This happens while car is driving. Car takes multiple times to start back up because does not have enough oil. Had similiar diagnosed issue covered by Chrysler in another car that was purchased. Same symptoms and it was pcv valve failure. This is dangerous. Chrysler fiat should issue recall.

See all problems of the 2018 Jeep Compass 🔎.

Vehicle consumes too much oil and will fail to have enough oil pressure and emergency parking brake will engage randomly while driving and car will stop. Oil pressure light will engage also and car can fail to start. Took to dealership to replace pcv valve since I had similar issue with my 2015 Chrysler 200 and the pcv valve was culprit. Dealership advised to reconfigure pcm and come back for oil consumption test after 1500 miles. Took back to dealership after the 1500 miles on 2-2-21and vehicle was found to be low on oil. Dealership just topped it off and said it was "okay, no further work needed at this time". This is a danger and the car is consuming too much oil. The pcv valve or engine needs to be replaced.

On three different occasions my engine has shut off and gone into a �limp mode� while I am driving without any warning or indicator light activation. This has occurred while driving at high speeds and has nearly resulted in more than one multi-vehicle accidents. The parking brake engages and I am unable to restart the vehicle for several minutes thereafter. I was nearly rear ended on both occasions and had no ides what was wrong. Come to find out, there was minimal oil in the engine despite being dealer maintained in a timely fashion and well before the next oil change was due. I immediately took my 2018 Jeep Compass in for servicing where they explained they have been seeing this issue in this particular model with the 2. 4 liter multi-air 4 cylinder engine. The pcv valve was replaced and they started to monitor oil usage via an oil consumption test every 500 miles. Unfortunately the pcv valve replacement did not prove to be the fix as the engine malfunctioned once again sometime around 2500 miles into the oil change. I am extremely concerned for my safety and rely on this vehicle to get me to work as I am a healthcare professional. I am shocked that a recall has not been issued after reading online just how many cases have been reported with the same make/model engine. I am lucky that I was not seriously injured and it is just a matter of time before someone is, if action is not taken. I was merging onto a 4 lane highway during rush hour traffic with no shoulder the first time this occurred. Traffic was moving at 65 miles per hour. It was absolutely frightening. This is unacceptable and is a detriment to highway and personal safety. My sales associate at the dealership is also alarmed at just how many 2018 Jeep Compass� with the 2. 4 liter engine are having this unequivocal hazardous issue. Something must be done ASAP.