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Prev Professional Automotive Repair Technical Discussions for August 29, 2012
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1992 Acura Integra LS 1.8L No Start VIN: JH4DA9453N
Got this 92 acura integra with a 1.8 that is a no start with no injector pulse. Good spark, will start if you spray with carb cleaner. When you cut the key on the check engine light stays on solid. If you jump the diagnostic connector the light stays on solid....
2002 Buick Rendezvous CX 3.4L No Start VIN: 3G5DB03E82
Vehicle came in for crank no start. I have 37 lbs. of fuel pressure.very good spark on all cylinders. I have no injector pulses. I have 12 volts to all injectors i can fire all them with a scan tool they all drop equal amounts of pressure when fired. Tps data ...
1987 Chevrolet R10 Custom Deluxe 5.0L Excessive Emissions, Poor Idle Quality, Hesitation, Cuts out, Stall, Misfire, Poor Fuel Economy, MIL Lamp on VIN: 1GCER14H6H
Hello fellow techs, this truck came in with all the above parts installed as the customer played swaptronics with his truck.The truck runs extremly poorly, is very hard to start the smell from the exhaust will burn your eyes when it's running,and it won't idle...
1999 Chevrolet S10 2.2L SIR system VIN: 1GCCS1440X
I have recently replaced the IPC in the truck, upon turning the key to the run position, i noticed that the airbag light flashed & times, and remained illuminated. I do not know whether the light was on prior to IPC replacement, so i do not know if they are re...
2001 Chevrolet Express 3500 5.7L Doesn't start VIN: 1GAHG39R11
Van got towed to my shop, turns over but no start. It had new fuel pump put in somewhere else. The pump connecter was updated . It has spark no fuel pump pulse, all the circuits and grounds looked okay No trouble codes, the battery was dead when it came in. Af...
2004 Chevrolet Epica LS 2.5L No Spark VIN: KL1VB52L24
Vehicle will not start, no spark, power to coils, no coil trigger from pcm
2005 Chevrolet Silverado 1500 LS 5.3L Excessive Emissions, Poor Idle Quality, Surge, Misfire, Poor Fuel Economy, MIL Lamp on VIN: 2GCEK13T25
The customer was on a road trip and the transmission went out. So he had a reman trans installed, when he got the truck back the check engine light was on. He said that the had never been on, he told the guy at the shop he "scanned" it and they told him that i... Trouble codes: P0171, P174, P0300, P131, P138, P158
2000 Chrysler LHS 3.5L engine/flexplate??? VIN: 2C3HC56G6Y
There was no noise present after rod/main brgs & H/B. It started lightly about 3-weeks later & progressively getting worse. The sound is like a raping noise like a piston slap more than a knock, almost could describe it like the rapping noise from a cool thru...
2005 Chrysler PT Cruiser Classic 2.4L shifting VIN: 3C4FY48B25
I've been working on this car on and off for 4 weeks now... The original concern was for code p0750 (L/R solenoid fault) which set intermittently. Transmission fluid is clean and it only has 34k. I checked and rechecked the wiring, replaced the solenoid. Repla...
2006 Chrysler PT Cruiser 2.4L Compressor VIN: 3A4FY48B56
Employee was using the A/C one day during the rain, shut it off because it was getting too cold and went to use it later on but the compressor would not run. A/C indicator light on dash works. Fuse is OK. Gauges indicate system has a charge. Solus tells me the...
1998 Dodge Intrepid ES 3.2L Stall, MIL Lamp on VIN: 2C3HH56J9W
i week later car driven back with with intermitent stall complaint,po106 map sensor stored,scanned sensor working fine,checked all connections,tapped ecm etc,will not act up,would appreciate any ideas.Thanks Trouble codes: P0351, P0356, P0106
2005 Dodge Caravan SE 2.4L MIL Lamp on VIN: 1D4GP25E95
P0016 DTC retrieved for CMP/CKP synch, suspected flex plate issue. Accessed and scoped both signals at ECM, found perfect CMP pattern with identical pattern at CKP. Both patterns are perfect CMP patterns. Never seen this before. What would cause CKP pattern... Trouble codes: P0016
2007 Dodge Ram 3500 Truck ST 6.7L Fuel VIN: 3D6WH48A87
I have this 2007 Dodge 3500 with a 6.7L. It was towed in for a no start. I found that two fuel injectors were bad returning too much fuel causing low fuel pressure and a no start. They were replaced and I got it started. It was then found that three other inje...
1998 Ford Contour LX 2.5L Rear Brakes VIN: 1FAFP66L4W
Hi guys, have this contour that is giving me problems. Vehicle originally came in for brk inspection a few months ago. It needed frnt and rear brks, rotors ,drums. Performed all the repairs test drove all good. Vehicle comes back a couple off months later with...
2000 Ford F-250 Super Duty Lariat 7.3L Stall VIN: 1FTNW21F4Y
This vehicle exhibits a hard/harsh stall in drive or reverse. I suspect a bad torque converter but typically they are either bad or they are not. I have checked the transmission fluid and sent a sample off to be tested. I do not have access to AllData, etc. I ... Trouble codes: P0475 (Exhaust Pressure Control Valve fault KOEO), P0605 (Internal Control Module ROM error KOEO), P0476 (Exhaust Pressure Control Valve Performance KOER)
2001 Ford F-350 Super Duty Lariat 6.8L No Start VIN: 1FTWW32S51
This is a regular customer who owns a landscape company and has 4 other trucks,we towed in this truck last year 11/2011 they said it wouldnt run, it cranked over fine but wouldnt run,but by the time the tow truck showed up to the shop it cranked and ran fine, ...
2001 Ford F-250 Super Duty XL 7.3L Poor Idle Quality, Misfire VIN: 1FTNF21F91
This 01 F250 powerstroke came in with a no start condition. We had replaced the idm about two months prior and it had the same code (faulty ef signal) as before, so i changed out the idm module again and the truck started, but ran bad (ef signal code cleared a... Trouble codes: P1293
2001 Ford Taurus SE 2-Valve 3.0L dpfe VIN: 1FAFP55291
went to work had this 01 tarus at the front door.customer came and gave keys to me wants to know what happened??? fire dept put fire out... lift hood all i can seewhere the fire was cowl upper lower dpfe harness connecter and dpfe destroyed. along with egr egr...
2003 Ford Expedition XLT 4.6L Mechanical VIN: 1FMRU15W83
severe rattling,i have remove cam cover from rear of right head and the orifice was open,i do notice oil flowing from cam cover when engine is running,don't know if cam cover is worn,can i exhchange cam cover with the one on the left head? engine has 80psi oil...
2006 Ford F-150 XLT 5.4L Stall, MIL Lamp on VIN: 1FTPW14V06
Truck came in for engine rattle and stall code PO 345, replaced cam phasers, at idle when warm, in gear left phaser will go to 60 degrees advanced, truck dies, unplug the solenoid for the cam, it runs great, also, the bank 2 cam will advance and retard alot wh... Trouble codes: P00, 345 (Cam sensor not pick up)
2007 Ford Expedition Limited 5.4L No Start, Poor Idle Quality VIN: 1FMFU19557
No start condition after night, need to crank at least 2 or 3 times, once start, poor quality, raw gas smell ...
2008 Ford Edge SEL 3.5L Water Pump VIN: 2FMDK38C58
We have ford edge that has a water pump leaking, i am hoping some of you ford techs can give me some advise . Mitchell gives approximatly 13 hrs and the service operation describes supporting the engine and taking off the upper and lower pieces but never says ...
2010 Ford Ranger XL 2.3L Inside hard lid VIN: 6FPAAAJG56
Customer complaining about lots of dust geting into rear section. Customer has hard lid and dosent understand how it gets in. Any ideas? Thanks in advance
1998 GMC K1500 Sierra SL 5.7L Poor Idle Quality VIN: 2GTEK19R8W
This vehicle originally was towed in as a cranking no-start. Tests showed spark from ignition coil was present, but very weak. Scope test of coil primary circuit indicated good waveform with 7 amps draw and normal rise. Replaced the coil, cap, and rotor togeth...
2004 Hyundai Sonata GLS 2.7L Mechanical VIN: KMHWF35H54
This vehicle came in with the customer stating that every once in awhile the brake pedal will lock for an instant. We inspected the brakes & I drove the car for two days. I called her & explained we did not experience her complaint. I had to pick up a tech at ...
1991 Jaguar XJ6 Sovereign 4.0L No Start VIN: SAJHY1749M
This vehicle came in because it would not run. First, I discovered that the fuel pump would not come on. After many hours of searching, I found a fuse blown and replaced it, but the car still would not run. The fuel pump is now coming on and my fuel injectors ...
1995 Jeep Wrangler Rio Grande 2.5L Misfire VIN: 1J4FY19P6S
I have this Jeep that is extended crank cold complaint. Went to start vehicle and no noid and no spark. Replaced crank sensor and vehicle started and ran rough.Coil wire and other wires arcing,performed full tune up, no change. Losing spark from #2 distributor...
2002 Jeep Liberty Sport 3.7L Pass Squib VIN: 1J4GK48K72
Airbag light is on all the time. Scan says Passenger squib #1 is shorted to battery. Also has previous code stored for Drivers squib and left front impact sensor (internal)
2004 Kia Spectra EX 2.0L speedometer VIN: KNAFE12164
hi fellow techs. i have this 04 kia spectra. with an inop speedo. the vehicle belongs to used car lot. customer claims speedo started dropping out but would start working . then three days ago , speedo went inop and has not started working again. they stated t...
2001 Lexus RX300 3.0L MIL Lamp on VIN: JTJGF10U31
Vehicle was brought in for MIL. Pulled codes and found the ones that were listed (300, 302, 304 and 306). I noticed the fuel trims are all high until the vehicle warms up and then they all go normal except short term on bank 2 which stays at around 10% and d... Trouble codes: P0300, P0302, P0304, P0306
2005 Lincoln Navigator 5.4L no power VIN: 5LMFU27545
Customer brought in with 307 code and running bad. Installed a set of plugs after extracting broken plugs from head. Still had code 307 checked injector on #7 bad, replaced injector now no codes but this thing has no power. You step on the gas engine revs but ...
2004 Mazda MPV ES 3.0L MIL Lamp on
I replaced bank 2 oxygen sensor. That was the first code it came in with. Since then after a few days, it came bank with a bank 1 and 2 lean. Both primary oxygen senors show very lean at idle, as soon as you raise the idle,they begin to respond more normally. ... Trouble codes: P0171 (Right bank lean), P0174 (Left bank lean)
2008 Mazda 3 i 2.0L Excessive Emissions VIN: JM1BK32F38
Hi, this car fails emissions slightly. HC is 68 and CO is slightly over limit. Other than that everything is normal and no engine light is on. Fuel is new, motovac was performed. Car has 42,000km on it. Any common issues with the car?
2001 Mercury Sable LS Premium 3.0L MIL Lamp on VIN: 1MEFM55S51
This one came to us with these lovely codes that no one else could fix and apparently not me either. I usually have pretty good luck with these on a Ford. Anyway the only problem is the lights, the car runs fine. Idle may be a bit on the high side cold (1400 a... Trouble codes: P0171 (System lean Bank 1), P0174 (System lean Bank 2)
2000 Pontiac Bonneville SE 3.8L No Start, MIL Lamp on VIN: 1G2HX54K8Y
Hello GM a tough one here. Intermittenly car cranks and fires up, runs for about 5 seconds really rough and MIL flashes fast while running then sputters and dies. Sets code p1626-Theft Deterrent Fuel Enable Signal Lost...passed/failed on tech2. but... Trouble codes: P1626 (Theft Deterrent Fuel Enable Signal Lost)
2003 Pontiac Bonneville SE 3.8L Cuts out, MIL Lamp on VIN: 1G2HX52K93
The car will stall as you slow down to make a stop or a turn have checked for 5v to each sensor have good voltage also tested for voltage at map sensor with scanner when i unplugged map sensor scanner still show voltage disconnected the signal wire for map to ... Trouble codes: P0101, P0121, P0108
2006 Pontiac Montana SV6 3.5L all wheel drive VIN: 1GMDX33L16
06 pontiac came in for low power and poor shifting and awd inop found pluged cat and has good power and shifts good awd is still disabled. disabled for high fluid temp. the trans fluid temp is reading at 127 deg F with a tech 2. after short drive and sitting i...
1981 Saab 900 S 2.0L Crank position sensor VIN: YS3AK76E5B
I admit, I still don't understand the innards of a Hall effect sensor. Maybe I will before I die, but right now I need to get this car fixed ASAP. The crank position sensor is bad. I bought a "sensor impulse head unit" from my supplier (RAMAC). The sensors' wi...
2005 Saab 9-5 Arc 2.3L MIL Lamp on VIN: YS3ED49A65
Vehicle came in with p1312,p1332 codes.I have seen these codes before and know that the problem normally lie in the ignition cassette and plugs.I replaced the cassette with new unit from Auto part international.Cleared codes test drove all good.Customer picks ... Trouble codes: P1312, P1334, P0340 (Cam sensor)
2004 Saturn Ion-3 2.2L radio VIN: 1G8AL52F94
thanks in advance for any help on this.we replaced the battery in this ion today,and realized that there was no card in the glove box w/the radio code.called my local gm dealer parts dept,who talked me through the procedure to get the radio to output a 4-digit...
1994 Toyota Camry XLE 3.0L differential VIN: 4T1GK13E7R
Hi Everyone, Thanks in advance for any assistance. This regular customer's complaint is a loud noise when applying brakes. Checked vehicle and found when applying brakes medium to hard braking there is a very loud ratcheting type noise that is coming from the...
2005 Toyota Highlander 2.4L Fuel Pump VIN: JTEGD21A85
Last week a customer dropped of this Highlander complaining that it sometimes has trouble firing up, hot or cold. Sometimes it starts the first try, and sometimes it could take holding down the key for several seconds (or several tries) before starting; to the...
2005 Toyota Tundra SR5 4.7L vvt VIN: 5TBET34115
Hi Toyota Techs, I replaced the leaking right side cam seal on this 4.7 engine. and now I can hear a light tapping noise only at r.s. vvt unit area. Noise is loudest at the control solenoid. I pulled the valve cover again and re checked the tightness of all ...

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
2001 Audi TT 1.8L central locking VIN: TRUZZZ8NZ1
Problem solved. Thanks to all who reponded. With the base coding (15900) supplied by George [...] was able to get it to operate and using VAG-COM and the pop up info within the tool we coded the car to suit owner requirements. Thanks again, Nigel.
2007 Audi A3 2.0L Poor Idle Quality, Hesitation, Surge VIN: WAUHF78P47
Thank you to all that replied. After serving the transmission and putting some mile on the car things got better. We added some fuel treatment to the gas tank and things seem to get even better. I went for a ride with the client and he noticed a significant d...
1993 Buick Century Special 3.3L No Start VIN: 1G4AG55N7P
Yes it's fixed. I want to thank all who replied, the information was very useful. I installed a factory PCM and it still didn't start. I knew I had fuel,fire, and injector pulse. Someone mentioned checking tps volts and coolant. they both seemed fine. So I unp...
1976 Chevrolet Corvette Stingray 5.7L Brake VIN: 1Z37L6S436
1990 Chevrolet Corvette 5.7L No Start, Poor Idle Quality, Surge, Stall VIN: 1G1YY2389L
hey folks, what ended up being the problem is three bad injectors. mitchell ondemand states the ohms for the injectors was 7.5. anothertech from this site stated that the resistance should be over 15 ohms and i also confirmed this on a another site and of coar...
2000 Chevrolet C3500 6.5L Excessive Emissions, Poor Idle Quality, Hesitation, Surge, Cuts out, Stall, MIL Lamp on VIN: 1GBKC34F3Y
hi guys,i appreciate all of the great tips and advice from the great group we have here.unfortunatly i was not able to repair this beast because the owners decided that they we just not going to continue in the towing end of the buisness anymore,just not worth... Trouble codes: P0251, P0215, P0219, P1216, P1218.
2002 Chevrolet Trailblazer LS 4.2L Cuts out, MIL Lamp on VIN: 1GNDT13S02
Lot of valid replies. The one that appears to be the fix was from Steven. Good info all the away around. I replaced the sensor with OEM. We have driven the vehicle for more than a week without incident. I still beleive in aftermarket parts but i also learn thr... Trouble codes: P271, P275, P280.
2005 Chevrolet Malibu 2.2L Starting VIN: 1G1ZS52F75
A huge thanks to every one that replied 6 in all. It turn out to be the BCM. The acc. circut was shorted to ground inside the BCM. New BCM and program and all is well. Thanks again. Ron
2005 Chevrolet Silverado 3500 6.6L MIL Lamp on, Hard Start at Times VIN: 1GBJK39215
Thanks for all the replies. I replaced Cylinder #1 and #3 fuel injectors and it appears to have fixed the power problem and the hard starts! Thanks for eveyones help!!! Trouble codes: P1093 (Fuel Pressure Low During Power Enrichment).
2007 Chevrolet Equinox LT 3.4L light on intermittantly VIN: 2CNDL63F97
We spoke with the customer about checking harnesses for problems but customer has decided to live with light since it only comes on intermittantly & doesn't really cause any driveability issues. Thanks for the help-maybe we'll get to fix the next one David Lee
2007 Chevrolet Suburban 1500 LT 5.3L Rear Liftgate VIN: 3GNFC16097
Problem solved! No need to get high tech on this one! Craig, Rodger and John, Thanks! A new set of struts took all the stress off the liftgate motor, and all works fine!
2008 Chevrolet Colorado LT 3.7L Front Tired Pressure Sensors VIN: 1GCCS39E78
here it is guys, after taking this veh to a friends shop (where he has a tech II) we were able to find that the left front (napa sensor) was telling the computer it only had 17 lbs of air pressure and that the right rear (factory sensor) had a bad battery. so...
2004 Chrysler Crossfire 3.2L Poor Idle Quality, Surge, Cuts out, Stall VIN: 1C3AN69L14
here we go with all the info. He got a reman unit from Advanced Auto and took it off and returned it because it didn't run any better. He was kind enough to shine the old one up to look like new before putting it back on. I got a bosch oem unit and cleared the...
1999 Dodge Grand Caravan 3.3L windshield wipers electric windows VIN: 2B4GP24G4X
Have replaced the windshield wiper switch. Scan the BCM and no codes. Checked all the grounds with all okay. Owner elected not to change the BCM or the ignition switch b/c there have been no reoccurances of the radio going out, windows not working, etc. One ...
2005 Dodge Stratus SXT 2.4L Misfire, MIL Lamp on VIN: 1B3EL46XX5
Priced out both repairs to customer and customer has decided to wait on repairs. Trouble codes: P0301.
2000 Ford Ranger XL 2.5L master cyliner and control valve VIN: 1FTYR10C7Y
Thanks for all the replies. The o-ring supplied with the Fenco master cylinder is the wrong size. I have contacted Fenco, but they don't seem interested in correcting the problem, so I will use the Ford master cylinder. If you need to repair one of thes...
2002 Ford F-350 Super Duty Lariat 7.3L all VIN: 1FTSX31F22
It was the rear u-joints they were dry and locked up.Thank for the help
2003 Ford Focus ZX5 2.0L Poor Idle Quality, Hesitation, MIL Lamp on VIN: 3FAFP37303
Sorry for the delay closing this post,like I said went and set the timig as it should.the car ran normal againI want to thank for all the replies because a few days later another focus came intermitently running rough and that was the pcv hose like some of you... Trouble codes: P2195.
2006 Ford F-150 XLT 5.4L Hesitation, lacks power high rpm VIN: 1FTPW14V56
Misfire in cyl #4. Misfire did not show up for over a week. I had the customer drive the truck for a week and bring it back. Afterward there was a #4 cyl misfire and could not pull a trailer. At idle and part throttle the truck ran great, at WOT there was no p...
2007 Ford F-150 XLT 5.4L Poor Idle Quality, Hesitation, Misfire VIN: 1FTPW14V07
thanks for all the input... weak collapsed exhaust spring turns out to be still had enough spring to close valve so compression & leakdown tests showed ok..replaced spring & now all is good...what a !***!!! of a miss to find + it had to be the rea... Trouble codes: P0304.
2003 Hummer H2 6.0L front diff rubber mounts VIN: 5GRGN23UX3
There are no bushings available for this vehicle. The 2500hd chevy parts do not work. We found loose bolts and worn bushings but were able to tighten evything up. We still had a problem with binding and popping from the front end. We have sent the T case back ...
2002 Isuzu Trooper Limited 3.5L downshift to 1st gear VIN: JACDJ58X32
2001 Jaguar S-Type 4.0L traction control VIN: SAJDA01P01
all the scanner woud say was undocumented code with no code number or description,, was able to clear the memory and do a reset ,, after finding a few loose conections ,, will call this fixed for now unless it returns thank you ron
2000 Jeep Wrangler Sport 4.0L Poor Idle Quality, Stall VIN: 1J4FA49S1Y
Jesus from California had it right. Replacing and re-flashing the new computer fixed this problem. I don't think some people actally read the entire post. We had some suggestions of replacing the cylinder head (for monitors setting to incomlete every time key...
2005 Lincoln LS Luxury 3.0L a/c temp VIN: 1LNHM86S95
we flushed the a/c system and now the a/c is working well ,the pressures were ok and a/c working then the pressure would drop and a/c not working ,we replaced the expansion valve and flushed the system and it is now working well.
1997 Mercury Villager (Van) GS 3.0L Hesitation, Surge, Misfire VIN: 4M2DV1111V
Thank you for all the replies it turned out to be a bad distributor evan though it had no play in it and we installed a new cam sensor.
2007 Mini Cooper S 1.6L misfire, lean fuel trim VIN: WMWMF73537
so it appears as though cleaning the vanos solenoid was the main fix, that really dropped the short term value down from %25 to -%2to%2 range, after replacing the valve cover, which you can really tell there has been a redesign of the pcv valve, values went to...
2005 Nissan Armada LE 5.6L airbag VIN: 5N1AA08A65
we have had the ecm reflashed and client will return to replace booster unit if necessary. thanks for the replies.
1998 Saturn SL2 1.9L Surge VIN: 1G8ZK5279W
We checked exhaust back pressure but that seemed to be fine, took another stab at EGR ports but again the are flowing freely. Still with the EGR plugged in the surge comes back, with it unhooked car runs fine. Customer declined any more testing & decided to li...
2002 Saturn Vue 3.0L no start VIN: 5GZCZ63B22
Thanks for all the responses and sorry for the long delay to post fix. It was the BCM as suspected all along. I did not have the program to relash the BCM so I had to send it to the GM dealer. With them keeping it for a couple days telling me that it wasn't t...
2002 Saturn Vue 3.0L pc solenoid VIN: 5GZCZ63B02
Thanks to all who replied, especially Alex for the specs on the line pressure solenoid. The tranny shop that put the used unit in called the boneyard where they got the transmission and got the tcm for it out of the same car. Installed transmission control un...
2003 Saturn Vue 3.0L fuel gaud]ge VIN: 5GZCZ63B53
thanks for the replies. the common census and mine was the bcm. however the customer has not decided yo repair it . we have returned the vehicle and the customer is going to track her mileage for now. if she does decide to fix it i will let you know. thank...
2003 Saturn L300 3.0L No Start, MIL Lamp on, sercurity light on VIN: 1G8JW54R03
Thanks Everyone I knew I was missing something easy. I went through the key relearn a few times but I think I must have cranked it between those time. I ended up leaving the key on with battery charger for about 30 minutes, turned key off waited 30 seconds t... Trouble codes: B1811 (Max addapt long shift), B1000 (Ecu malfunction), U1096 (Lost com with ipc/dic or class 2 txd), B1260 (Security system data wrong but valid).
2000 Toyota Corolla VE 1.8L Hesitation, Misfire, MIL Lamp on VIN: 2T1BR12E9Y
After many e-mails and further diagnosis ( and lots of darts thrown) we have replace plugs, coils, 4 injectors, TPS sensor CKP sensor, MAF sensor 2X, checked backpressure, replaced fuel pump and regulator, removed aftermarket alarm, checked alt output, cleaned... Trouble codes: P0171, P0300.
2002 Volvo V70 2.4T 2.4L ball joints
Thanks guys! Doesn't sound like a tough job. Thanks again for all the tips Dave
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