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Prev Professional Automotive Repair Technical Discussions for August 20, 2005
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Open Help Requests for All Makes and Models
Help Request Answers
2000 Audi TT 1.8L over heating VIN: C28N8Y1024
the electric fan comes late about 3/4.around 105c.with the a/c on the car over heats sometimes.when the car came to the shop it had the same problem with the cooling fan caming on please.
2000 Buick Century Limited 3.1L pump motor ckt. VIN: 2G4WY55J7Y
This is the second Buick that had come in with this code. I'm using a TECH 2 scanner and I try to clear code, it does not. Try to perform sysyem check, cannot because there is a code in system. Go to ABS moduale and disconect harness to check for corrosion and...
1989 Chevrolet Beretta GT 2.8L No Start VIN: 1G1LW14W9K
This beretta was parked about a year ago because of a tcc problem and a bad fuel pump. The car sat for about a year then when had need to fix the car the fuel pump, tank, and sending unit were replaced. Car then did not start. Now I have replaced the crank sen...
1998 Chevrolet Astro 4.3L Hesitation, Stall VIN: 1GNDM19W4W
Vehicle came in with no MIL,new fuel pump and filter and the same symptom as before he had fuel pump and filter replaced. Started out as an intermittent hesitation on acceleration. Fuel pump was making alot of rattling noise at idle. I condemned new fuel pump ... Trouble codes: P0171 (lean snsr 1 bnk 1), P0174 (lean snsr 1 bnk 2), P0507 (iac system - rpm too high)
2000 Chevrolet Silverado 1500 5.3L ABS Module VIN: 16CEK19T4Y
This truck came in with the ABS light on. The ABS system was inoperative. My scan tool (Gynesis 2003) would not communicate with the EBCM. I replaced the module and pump assy. The ABS will now go into ABS stops on the lift as well as when driving and forcing a...
2002 Chrysler PT Cruiser 2.4L MIL Lamp on VIN: 3C4FY48B52
Hello all, I hope I can get some input on my problem here, because I have no idea what to do next. I have a P0505 code that is set intermittently. The car first came in a few weeks ago with MIL lite on, code 601 internal PCM fail, no driveability complaint at ... Trouble codes: P0505
1991 Dodge Stealth 3.0L srs VIN: JB3XD44S2M
hello everyone, this stealth has the srs light on, scanned with drb shows no codes, ohmed out clock spring which seems to be ok, checked power and grounds to module ok, dont know where to go from here, srs light stays on solid does not flash either, thanks.
1996 Dodge Ram 1500 Truck 5.2L Excessive Emissions, Poor Fuel Economy, MIL Lamp on VIN: 1B7HF16Y4T
I've been working on this truck on and off for three week now. Worse part is it's my father in-law's truck. Same code keeps coming back. LT and ST trims -28+%. Originally replaced intake gasket for oil consumption problem as well as vacuum leak, code was set p...
1999 Dodge Dakota 3.9L governer,pres,offset,code VIN: 1B7GL22X1X
governer,press,off set code,only after sitting,3 to 4,days,drive it every day,no codes,trans shifts fine,gov,presure,when not runing,reads zero,turn the key,it pops the code,gov pressure,act/around, pres sensor,7to 0,when started,did notice gov pressure ...
1986 Ford F-150 XL 5.0L won't take fuel/ VIN: 1FTCF15N6G
A 1986 Ford F-150 was towed in to shop no start after diao. found alot of play in chain and gears R/R chain and gears(cam gear wiped out) Now it starts only when you advance the dist. When you try to feed it fuel shuts right down. If you move the dist a little...
1996 Ford Thunderbird LX 4.6L MIL Lamp on VIN: IFALP62W4T
Checked what harness's i could see for any chafing, rubbing. Grounds all look ok, power is on the red wire from the icrm. Please tell me the common problem for this, if one exists. Trouble codes: P0135 (ho2s heater circuit malfunction), P0141, P0155, P0161
2005 Hummer H2 6.0L no compressor engagement VIN: 5GRGN23U25
Hi Guys Does anyone have the air conditioning wiring schematic for this H2? Another shop added accessory lights and now the compressor won't engage. It has automatic climate control and all the other functions appear okay. Fax # [...]. Thanks in advance...
2001 Hyundai Accent L 1.5L Poor Idle Quality, Hesitation, Misfire, Poor Fuel Economy, MIL Lamp on VIN: KMHCF35G21
this one is driving me nuts car came in with check engine light on need nys inspection. customer just put in new bosch platnuim plugs. plug in scanner get code 300 301 302 and some other evap codes 441 442 which i fixed ( bad selenoid) put in new factory wires... Trouble codes: 301 (cyl 1 misfire), 302 (cyl 2 misfire)
1992 Jeep Cherokee Sport 4.0L No Start, Poor Fuel Economy VIN: 1J4FJ88S7N
I have problem with it cranking long,hot and cold. Plus fuel milage is not very good.
1990 Mercedes-Benz 190E 2.6 2.6L 4th gear VIN: WDBDA29D3L
Car came in for intermittent AC compressor disengagement. Found the MAS module was heating up crack in solder joint and dumping compressor(sits under plastic cover on right front firewall in engine compartment,,,kinda like the old KLIMA relays but now handles ...
1992 Mercedes-Benz 500SEL 5.0L Vent control VIN: WDBGAEXNA0
We have a 1992 MBZ 500sel that after driving for a short period that outer vent would be cold and the center vents get hot. We look at alldata for diagnostic trouble code retrieval, but on the test preparation #5, it does not make any sense. Please, can someon...
1996 Oldsmobile Achieva SL 2.4L auto transaxle 4T60E VIN: 1G3NL52T7T
Custoner complains of occasional 3rd gear starts. No trouble codes are present. I have checked power and ground circiuts and found no problem. I have driven this car home for the last 2 days and it did not act up, no problem found. Any suggestions where to loo...
2000 Saturn SL2 1.9L Poor Idle Quality, Stall, MIL Lamp on VIN: 1G8ZK5272Y
cust states that engine stalled after cold start one morning. must keep feet on brake and throttle when come to stop or engine will die. using snap on scanner, engine will not respond to idle up or down command. 1ac counts are approx 140 when engine is idling ... Trouble codes: P0506, P0509, P1599
1996 Subaru Legacy Outback 2.5L Drivers window VIN: 4S3BG6855T
Drivers door window will not go up after the automatic switch has been set. If the window is only down part way it works perfectly. If the car is not running it works perfectly also. As soon as you start the car then you have this problem. Customer said he wou...
1989 Toyota 4Runner DLX 2.4L No Start VIN: JT4RN62DXK
this ones killing me, cranks, no start, has everything except injector pulse. both injector harness wires have 12v. (so the computer isn't grounding them) computer has grounds, and power, no fues blown, EFI relay working, did not jump the timing chain, good rp...
1994 Toyota Camry 2.2L No Start, Misfire VIN: JT2SK12E0K
The vehicle came into the shop with a no start problem and overheating. Head gasket was blown. Head gasket, valve grind and piston rings and rod bearings were installed. A new timning belt was installed. Timing marks were checked with a dial indicator and foun...

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
1999 BMW 323i 2.5L Surge, Misfire, MIL Lamp on VIN: WBAAM3330X
thanks to graham for his input. it indeed was the honker valve. even though it did not emit the noise as he said it would or as the dealer said it would, replacement corrected the problem. for those tha mayencounter this problem, the easiest way to remove this... Trouble codes: P1188 (fuel trim limits exceeded), P1189 (fuel trim limits exceeded), P0173 (bank 2 fuel trim).
1993 Buick Century Special 3.3L Excessive Emissions VIN: 1G4AG55N4P
Well, thanks to all who replied. As I had suspected, the MAF did have a problem. Dave [...] hit it right on the head. Although the readings looked good, when I took the MAF out, it took a magnifying glass to see the problem. A tiny...I mean tiny piece of the ... Trouble codes: 44 (System Lean History Code none current.).
1965 Chevrolet Imapla 327CID vacuum control VIN: 164395A134
Thanks to all who responded to my request for info regarding the A.C.vacuume diagram on a 65 Impala.I got under the dash of it yesterday and was able to find and repair three 'missing' lines.The line that now goes to the expansion valve has increased A.C. perf...
1999 Chrysler 300M 3.5L Mechanical VIN: 2C3HE66G1X
Thank You for all of your replies. I disconnected the booster and the brakes work normal (hard pedal of course). Then I checked the 1-way check valve and found that it was leaking. Replaced the valve and the problem went away. I think what was happening is whe...
1994 Dodge Ram 3500 Truck 5.9L removal VIN: 1B7MF36C8R
All replies were helpful. The engine does come out relatively easy, if it were not for rust in this case. I pulled the bumper, snowplow, A/C, Intercooler, radiator. Unbolted the oil pan, transmission, I left in place, the motor mounts will sewviel side to side...
2003 Ford Econoline E350 Super Duty 7.3L less of power VIN: 1FDNS34F73
So,Members this is the FIX As I wrote, except the leaks of the exh' gases, and the EBP data that did not fit the BARO and MAP data (and therefore THEY were replaced) - I was in fact left with the 'problem' that in the KOER I got DTC PO476. But in spite of that... Trouble codes: P0476 (Exhaust Pressure Control Valve Performance).
2002 GMC C-Series Topkick C6H042 7.2L No Start VIN: 1GDJ6H1C02
Cat engine was fine, turned out to be GMC/operator problem. If you didn't know, this was a tow truck. Someone wired in amber warning lights into ign #1 under stering colum. Because of the twisted wires & electrical tape, there was no voltage to turn on Cat ecm
2002 GMC Envoy SLE 4.2L No Start VIN: 1GKDS13222
Thanks to all that replied to my cry for help. The problem was with the throttle body. As this was my first one of this sort it kinda kick my but for a while until it was explained to me how the system worked. Here in the Bahamas we don't have a GM dealership ... Trouble codes: P1220 (Throttle Position Sensor 2-low voltage), P1120 (Throttle Position Sensor Circuit-Intermittant High Voltage).
1986 Other European 328 gts 3.2L Misfire VIN: ZFFXAZ0D4G
Sorry for the slow reply guys but i actually had already closed this one but i just found out the my outlook express was not working properly. Anyway i got 4 reponses on this one and i thank you all. The engine valve covers were numbered so that part was easy....
1984 Pontiac Firebird Trans Am 5.0L convertor, pump VIN: 1G2AW87H2E
well unbeknownst to me they have a slpit year on this car. i had an early year 1984 when they had 27 splines on the input shaft, the convertor i was given had 30 splines and it was just bouncing away inside the convertor. i guess live and learn i had no idea t...
2002 Saturn SC2 1.9L Cuts out VIN: 1G8ZY12792
We dropped the fuel tank and found a ground wire not making good contact. We reconnected it and everything works like it should. I have seen the car running around town so all must be good.
2001 Toyota Land Cruiser 4.7L ahc
I will be closing this as after extensive tests i have asked the owner to get a new height control computer as every thing points in that direction. Unfortunately the time to close the post has come so i will not be in a position to let the 3 members who i tha...
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